Remove the rest of #pragma once in one big CL.

For context see this thread: https://groups.google.com/a/chromium.org/forum/?fromgroups#!topic/chromium-dev/RMcVNGjB4II TBR=thakis,pkasting,jam git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146163 0039d316-1c4b-4281-b951-d872f2087c98
author: ajwong@chromium.org <ajwong@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> 2012-07-11 19:01:43 +0000
committer: ajwong@chromium.org <ajwong@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> 2012-07-11 19:01:43 +0000
commit: 01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0 (patch)
tree: ce78aa58908c7bc64bcb3596bd1298b872b85701 /net
parent: a19317f99fd8f35cd2bf8ebe3d0f34dc71866574 (diff)
download: chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.zip
chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.tar.gz
chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.tar.bz2
446 files changed, 0 insertions, 446 deletions
diff --git a/net/android/net_jni_registrar.h b/net/android/net_jni_registrar.h
index 1058b3c..8fd0965 100644
--- a/net/android/net_jni_registrar.h
+++ b/net/android/net_jni_registrar.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_ANDROID_NET_JNI_REGISTRAR_H_
 #define NET_ANDROID_NET_JNI_REGISTRAR_H_
-#pragma once
 
 #include <jni.h>
 
diff --git a/net/android/network_change_notifier_android.h b/net/android/network_change_notifier_android.h
index c16a7ff..3c71dc5 100644
--- a/net/android/network_change_notifier_android.h
+++ b/net/android/network_change_notifier_android.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_ANDROID_NETWORK_CHANGE_NOTIFIER_ANDROID_H_
 #define NET_ANDROID_NETWORK_CHANGE_NOTIFIER_ANDROID_H_
-#pragma once
 
 #include "base/android/scoped_java_ref.h"
 #include "base/basictypes.h"
diff --git a/net/android/network_change_notifier_factory.h b/net/android/network_change_notifier_factory.h
index db51aa2..0131b9e 100644
--- a/net/android/network_change_notifier_factory.h
+++ b/net/android/network_change_notifier_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
 #define NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/network_change_notifier_factory.h"
diff --git a/net/android/network_library.h b/net/android/network_library.h
index a0a1913..26b326ab 100644
--- a/net/android/network_library.h
+++ b/net/android/network_library.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_ANDROID_NETWORK_LIBRARY_H_
 #define NET_ANDROID_NETWORK_LIBRARY_H_
-#pragma once
 
 #include <jni.h>
 
diff --git a/net/base/address_family.h b/net/base/address_family.h
index 8ea5256..75beb29 100644
--- a/net/base/address_family.h
+++ b/net/base/address_family.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_ADDRESS_FAMILY_H_
 #define NET_BASE_ADDRESS_FAMILY_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/address_list.h b/net/base/address_list.h
index f213058..b23c7ab 100644
--- a/net/base/address_list.h
+++ b/net/base/address_list.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_ADDRESS_LIST_H_
 #define NET_BASE_ADDRESS_LIST_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/asn1_util.h b/net/base/asn1_util.h
index cae0b00..aef1ec9 100644
--- a/net/base/asn1_util.h
+++ b/net/base/asn1_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_ASN1_UTIL_H_
 #define NET_BASE_ASN1_UTIL_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/auth.h b/net/base/auth.h
index 3f856c4..46ea8d0 100644
--- a/net/base/auth.h
+++ b/net/base/auth.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_AUTH_H__
 #define NET_BASE_AUTH_H__
-#pragma once
 
 #include <string>
 
diff --git a/net/base/backoff_entry.h b/net/base/backoff_entry.h
index 4827278..c50eafc 100644
--- a/net/base/backoff_entry.h
+++ b/net/base/backoff_entry.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_BACKOFF_ENTRY_H_
 #define NET_BASE_BACKOFF_ENTRY_H_
-#pragma once
 
 #include "base/threading/non_thread_safe.h"
 #include "base/time.h"
diff --git a/net/base/bandwidth_metrics.h b/net/base/bandwidth_metrics.h
index 47a7c03..2317056 100644
--- a/net/base/bandwidth_metrics.h
+++ b/net/base/bandwidth_metrics.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_BANDWIDTH_METRICS_H_
 #define NET_BASE_BANDWIDTH_METRICS_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/base/big_endian.h b/net/base/big_endian.h
index 58e9521..cf2ee26 100644
--- a/net/base/big_endian.h
+++ b/net/base/big_endian.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_BIG_ENDIAN_H_
 #define NET_BASE_BIG_ENDIAN_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/string_piece.h"
diff --git a/net/base/cache_type.h b/net/base/cache_type.h
index 280a3d2..0823389 100644
--- a/net/base/cache_type.h
+++ b/net/base/cache_type.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CACHE_TYPE_H_
 #define NET_BASE_CACHE_TYPE_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/capturing_net_log.h b/net/base/capturing_net_log.h
index f0619cd..413be527 100644
--- a/net/base/capturing_net_log.h
+++ b/net/base/capturing_net_log.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CAPTURING_NET_LOG_H_
 #define NET_BASE_CAPTURING_NET_LOG_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/cert_database.h b/net/base/cert_database.h
index 8a2803e..6785316 100644
--- a/net/base/cert_database.h
+++ b/net/base/cert_database.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_DATABASE_H_
 #define NET_BASE_CERT_DATABASE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/cert_status_flags.h b/net/base/cert_status_flags.h
index 83aa935..897408d 100644
--- a/net/base/cert_status_flags.h
+++ b/net/base/cert_status_flags.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_STATUS_FLAGS_H_
 #define NET_BASE_CERT_STATUS_FLAGS_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/base/cert_test_util.h b/net/base/cert_test_util.h
index 15ceb58..ee370e7 100644
--- a/net/base/cert_test_util.h
+++ b/net/base/cert_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_TEST_UTIL_H_
 #define NET_BASE_CERT_TEST_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/cert_verifier.h b/net/base/cert_verifier.h
index 18c035f..de8b9b5 100644
--- a/net/base/cert_verifier.h
+++ b/net/base/cert_verifier.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFIER_H_
 #define NET_BASE_CERT_VERIFIER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/cert_verify_proc.h b/net/base/cert_verify_proc.h
index d379f16..a4801cfd 100644
--- a/net/base/cert_verify_proc.h
+++ b/net/base/cert_verify_proc.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_PROC_H_
 #define NET_BASE_CERT_VERIFY_PROC_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/cert_verify_proc_mac.h b/net/base/cert_verify_proc_mac.h
index b60bf28..d7460c8 100644
--- a/net/base/cert_verify_proc_mac.h
+++ b/net/base/cert_verify_proc_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_PROC_MAC_H_
 #define NET_BASE_CERT_VERIFY_PROC_MAC_H_
-#pragma once
 
 #include "net/base/cert_verify_proc.h"
 
diff --git a/net/base/cert_verify_proc_nss.h b/net/base/cert_verify_proc_nss.h
index 7496eaf..94af28e 100644
--- a/net/base/cert_verify_proc_nss.h
+++ b/net/base/cert_verify_proc_nss.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_PROC_NSS_H_
 #define NET_BASE_CERT_VERIFY_PROC_NSS_H_
-#pragma once
 
 #include "net/base/cert_verify_proc.h"
 
diff --git a/net/base/cert_verify_proc_openssl.h b/net/base/cert_verify_proc_openssl.h
index 200451c..808b7d1 100644
--- a/net/base/cert_verify_proc_openssl.h
+++ b/net/base/cert_verify_proc_openssl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_PROC_OPENSSL_H_
 #define NET_BASE_CERT_VERIFY_PROC_OPENSSL_H_
-#pragma once
 
 #include "net/base/cert_verify_proc.h"
 
diff --git a/net/base/cert_verify_proc_win.h b/net/base/cert_verify_proc_win.h
index 7984f5e..e030714 100644
--- a/net/base/cert_verify_proc_win.h
+++ b/net/base/cert_verify_proc_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_PROC_WIN_H_
 #define NET_BASE_CERT_VERIFY_PROC_WIN_H_
-#pragma once
 
 #include "net/base/cert_verify_proc.h"
 
diff --git a/net/base/cert_verify_result.h b/net/base/cert_verify_result.h
index e038b57..06baad2 100644
--- a/net/base/cert_verify_result.h
+++ b/net/base/cert_verify_result.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CERT_VERIFY_RESULT_H_
 #define NET_BASE_CERT_VERIFY_RESULT_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/completion_callback.h b/net/base/completion_callback.h
index a519491..7e5c90e 100644
--- a/net/base/completion_callback.h
+++ b/net/base/completion_callback.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_COMPLETION_CALLBACK_H__
 #define NET_BASE_COMPLETION_CALLBACK_H__
-#pragma once
 
 #include "base/callback.h"
 #include "base/cancelable_callback.h"
diff --git a/net/base/connection_type_histograms.h b/net/base/connection_type_histograms.h
index e3e4a84..0670c8e 100644
--- a/net/base/connection_type_histograms.h
+++ b/net/base/connection_type_histograms.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_
 #define NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_
-#pragma once
 
 // The UpdateConnectionTypeHistograms function collects statistics related
 // to the number of MD5 certificates that our users are encountering.  The
diff --git a/net/base/crl_set.h b/net/base/crl_set.h
index 2e640d1..6e22a80 100644
--- a/net/base/crl_set.h
+++ b/net/base/crl_set.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CRL_SET_H_
 #define NET_BASE_CRL_SET_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/crypto_module.h b/net/base/crypto_module.h
index 2b37e86..be876ef 100644
--- a/net/base/crypto_module.h
+++ b/net/base/crypto_module.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_CRYPTO_MODULE_H_
 #define NET_BASE_CRYPTO_MODULE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/data_url.h b/net/base/data_url.h
index 7b48574..3c1e303 100644
--- a/net/base/data_url.h
+++ b/net/base/data_url.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DATA_URL_H_
 #define NET_BASE_DATA_URL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/default_server_bound_cert_store.h b/net/base/default_server_bound_cert_store.h
index 7783bf2..94571aa 100644
--- a/net/base/default_server_bound_cert_store.h
+++ b/net/base/default_server_bound_cert_store.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DEFAULT_SERVER_BOUND_CERT_STORE_H_
 #define NET_BASE_DEFAULT_SERVER_BOUND_CERT_STORE_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/directory_lister.h b/net/base/directory_lister.h
index bde39e7..11976df 100644
--- a/net/base/directory_lister.h
+++ b/net/base/directory_lister.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DIRECTORY_LISTER_H_
 #define NET_BASE_DIRECTORY_LISTER_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/dns_reloader.h b/net/base/dns_reloader.h
index 899fbf3..889d404 100644
--- a/net/base/dns_reloader.h
+++ b/net/base/dns_reloader.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DNS_RELOADER_H_
 #define NET_BASE_DNS_RELOADER_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/base/dns_util.h b/net/base/dns_util.h
index a991521..db44158 100644
--- a/net/base/dns_util.h
+++ b/net/base/dns_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DNS_UTIL_H_
 #define NET_BASE_DNS_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/dnsrr_resolver.h b/net/base/dnsrr_resolver.h
index 297fc43..ab30f50 100644
--- a/net/base/dnsrr_resolver.h
+++ b/net/base/dnsrr_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_DNSRR_RESOLVER_H_
 #define NET_BASE_DNSRR_RESOLVER_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/escape.h b/net/base/escape.h
index 45c90fd..8771212 100644
--- a/net/base/escape.h
+++ b/net/base/escape.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_ESCAPE_H_
 #define NET_BASE_ESCAPE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/ev_root_ca_metadata.h b/net/base/ev_root_ca_metadata.h
index 92333d5..ab76c49 100644
--- a/net/base/ev_root_ca_metadata.h
+++ b/net/base/ev_root_ca_metadata.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_EV_ROOT_CA_METADATA_H_
 #define NET_BASE_EV_ROOT_CA_METADATA_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/base/expiring_cache.h b/net/base/expiring_cache.h
index 1b1c738..fe2fc65 100644
--- a/net/base/expiring_cache.h
+++ b/net/base/expiring_cache.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_EXPIRING_CACHE_H_
 #define NET_BASE_EXPIRING_CACHE_H_
-#pragma once
 
 #include <map>
 #include <utility>
diff --git a/net/base/file_stream.h b/net/base/file_stream.h
index 4b84ec0..2031bd0 100644
--- a/net/base/file_stream.h
+++ b/net/base/file_stream.h
@@ -9,7 +9,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_H_
 #define NET_BASE_FILE_STREAM_H_
-#pragma once
 
 #include "base/platform_file.h"
 #include "net/base/completion_callback.h"
diff --git a/net/base/file_stream_metrics.h b/net/base/file_stream_metrics.h
index 5adb7e2..14988aa 100644
--- a/net/base/file_stream_metrics.h
+++ b/net/base/file_stream_metrics.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_METRICS_H_
 #define NET_BASE_FILE_STREAM_METRICS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/file_stream_net_log_parameters.h b/net/base/file_stream_net_log_parameters.h
index 4c15a38..09f96c8 100644
--- a/net/base/file_stream_net_log_parameters.h
+++ b/net/base/file_stream_net_log_parameters.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_NET_LOG_PARAMETERS_H_
 #define NET_BASE_FILE_STREAM_NET_LOG_PARAMETERS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/file_stream_posix.h b/net/base/file_stream_posix.h
index 8187bad..0f1ee01 100644
--- a/net/base/file_stream_posix.h
+++ b/net/base/file_stream_posix.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_POSIX_H_
 #define NET_BASE_FILE_STREAM_POSIX_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
diff --git a/net/base/file_stream_whence.h b/net/base/file_stream_whence.h
index e256d6f..a962341 100644
--- a/net/base/file_stream_whence.h
+++ b/net/base/file_stream_whence.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_WHENCE_H_
 #define NET_BASE_FILE_STREAM_WHENCE_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/file_stream_win.h b/net/base/file_stream_win.h
index 8ccf5f2..4feb7a2 100644
--- a/net/base/file_stream_win.h
+++ b/net/base/file_stream_win.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_FILE_STREAM_WIN_H_
 #define NET_BASE_FILE_STREAM_WIN_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
diff --git a/net/base/filter.h b/net/base/filter.h
index 1cea2d2..05a90d0 100644
--- a/net/base/filter.h
+++ b/net/base/filter.h
@@ -28,7 +28,6 @@
 
 #ifndef NET_BASE_FILTER_H__
 #define NET_BASE_FILTER_H__
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/gzip_filter.h b/net/base/gzip_filter.h
index 06cabc4..0365a92 100644
--- a/net/base/gzip_filter.h
+++ b/net/base/gzip_filter.h
@@ -14,7 +14,6 @@
 
 #ifndef NET_BASE_GZIP_FILTER_H_
 #define NET_BASE_GZIP_FILTER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/base/gzip_header.h b/net/base/gzip_header.h
index 85c284a..82e55c2 100644
--- a/net/base/gzip_header.h
+++ b/net/base/gzip_header.h
@@ -14,7 +14,6 @@
 
 #ifndef NET_BASE_GZIP_HEADER_H_
 #define NET_BASE_GZIP_HEADER_H_
-#pragma once
 
 #include "base/basictypes.h"
 
diff --git a/net/base/host_cache.h b/net/base/host_cache.h
index 6f0e17d..7aff49c 100644
--- a/net/base/host_cache.h
+++ b/net/base/host_cache.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_CACHE_H_
 #define NET_BASE_HOST_CACHE_H_
-#pragma once
 
 #include <functional>
 #include <string>
diff --git a/net/base/host_mapping_rules.h b/net/base/host_mapping_rules.h
index 386e3de..aa0fb77 100644
--- a/net/base/host_mapping_rules.h
+++ b/net/base/host_mapping_rules.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_MAPPING_RULES_H_
 #define NET_BASE_HOST_MAPPING_RULES_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/host_port_pair.h b/net/base/host_port_pair.h
index df22768..a4e5761 100644
--- a/net/base/host_port_pair.h
+++ b/net/base/host_port_pair.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_PORT_PAIR_H_
 #define NET_BASE_HOST_PORT_PAIR_H_
-#pragma once
 
 #include <string>
 #include "base/basictypes.h"
diff --git a/net/base/host_resolver.h b/net/base/host_resolver.h
index 76ae779..58a5044 100644
--- a/net/base/host_resolver.h
+++ b/net/base/host_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_RESOLVER_H_
 #define NET_BASE_HOST_RESOLVER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/host_resolver_impl.h b/net/base/host_resolver_impl.h
index 4918208..8c2579d 100644
--- a/net/base/host_resolver_impl.h
+++ b/net/base/host_resolver_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_RESOLVER_IMPL_H_
 #define NET_BASE_HOST_RESOLVER_IMPL_H_
-#pragma once
 
 #include <map>
 
diff --git a/net/base/host_resolver_proc.h b/net/base/host_resolver_proc.h
index 7a54d01..6131db4f 100644
--- a/net/base/host_resolver_proc.h
+++ b/net/base/host_resolver_proc.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_HOST_RESOLVER_PROC_H_
 #define NET_BASE_HOST_RESOLVER_PROC_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/io_buffer.h b/net/base/io_buffer.h
index 66c596a..f605a91 100644
--- a/net/base/io_buffer.h
+++ b/net/base/io_buffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_IO_BUFFER_H_
 #define NET_BASE_IO_BUFFER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/ip_endpoint.h b/net/base/ip_endpoint.h
index 7d59e0d..5969b30 100644
--- a/net/base/ip_endpoint.h
+++ b/net/base/ip_endpoint.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_IP_ENDPOINT_H_
 #define NET_BASE_IP_ENDPOINT_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/keygen_handler.h b/net/base/keygen_handler.h
index ea56a96..a6e822c 100644
--- a/net/base/keygen_handler.h
+++ b/net/base/keygen_handler.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_KEYGEN_HANDLER_H_
 #define NET_BASE_KEYGEN_HANDLER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/load_flags.h b/net/base/load_flags.h
index f3ce82a..53b2d58 100644
--- a/net/base/load_flags.h
+++ b/net/base/load_flags.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_LOAD_FLAGS_H_
 #define NET_BASE_LOAD_FLAGS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/load_states.h b/net/base/load_states.h
index 97d6855..009ed21 100644
--- a/net/base/load_states.h
+++ b/net/base/load_states.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_LOAD_STATES_H__
 #define NET_BASE_LOAD_STATES_H__
-#pragma once
 
 #include "base/string16.h"
 
diff --git a/net/base/mapped_host_resolver.h b/net/base/mapped_host_resolver.h
index 185f087..d1edf45 100644
--- a/net/base/mapped_host_resolver.h
+++ b/net/base/mapped_host_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MAPPED_HOST_RESOLVER_H_
 #define NET_BASE_MAPPED_HOST_RESOLVER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/mime_sniffer.h b/net/base/mime_sniffer.h
index 7d905e2..9cdb2d7 100644
--- a/net/base/mime_sniffer.h
+++ b/net/base/mime_sniffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MIME_SNIFFER_H__
 #define NET_BASE_MIME_SNIFFER_H__
-#pragma once
 
 #include <string>
 
diff --git a/net/base/mime_util.h b/net/base/mime_util.h
index ff70f4a..64293f4 100644
--- a/net/base/mime_util.h
+++ b/net/base/mime_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MIME_UTIL_H__
 #define NET_BASE_MIME_UTIL_H__
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/mock_cert_verifier.h b/net/base/mock_cert_verifier.h
index 60000a1..d0537c1 100644
--- a/net/base/mock_cert_verifier.h
+++ b/net/base/mock_cert_verifier.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MOCK_CERT_VERIFIER_H_
 #define NET_BASE_MOCK_CERT_VERIFIER_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/base/mock_file_stream.h b/net/base/mock_file_stream.h
index 020dc9f..18b7127 100644
--- a/net/base/mock_file_stream.h
+++ b/net/base/mock_file_stream.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_MOCK_FILE_STREAM_H_
 #define NET_BASE_MOCK_FILE_STREAM_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/base/mock_filter_context.h b/net/base/mock_filter_context.h
index b54e909..d35fc85 100644
--- a/net/base/mock_filter_context.h
+++ b/net/base/mock_filter_context.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MOCK_FILTER_CONTEXT_H_
 #define NET_BASE_MOCK_FILTER_CONTEXT_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/mock_host_resolver.h b/net/base/mock_host_resolver.h
index 76b7ce1..fff0369 100644
--- a/net/base/mock_host_resolver.h
+++ b/net/base/mock_host_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MOCK_HOST_RESOLVER_H_
 #define NET_BASE_MOCK_HOST_RESOLVER_H_
-#pragma once
 
 #include <list>
 #include <map>
diff --git a/net/base/multi_threaded_cert_verifier.h b/net/base/multi_threaded_cert_verifier.h
index d901bfc..1ef04ab 100644
--- a/net/base/multi_threaded_cert_verifier.h
+++ b/net/base/multi_threaded_cert_verifier.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_MULTI_THREADED_CERT_VERIFIER_H_
 #define NET_BASE_MULTI_THREADED_CERT_VERIFIER_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/net_errors.h b/net/base/net_errors.h
index 761c2d2..12344e7 100644
--- a/net/base/net_errors.h
+++ b/net/base/net_errors.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_ERRORS_H__
 #define NET_BASE_NET_ERRORS_H__
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/net_export.h b/net/base/net_export.h
index bf16668..55cf986 100644
--- a/net/base/net_export.h
+++ b/net/base/net_export.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_EXPORT_H_
 #define NET_BASE_NET_EXPORT_H_
-#pragma once
 
 // Defines NET_EXPORT so that functionality implemented by the net module can
 // be exported to consumers, and NET_EXPORT_PRIVATE that allows unit tests to
diff --git a/net/base/net_log.h b/net/base/net_log.h
index 3b796e2..a5cc72e 100644
--- a/net/base/net_log.h
+++ b/net/base/net_log.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_LOG_H_
 #define NET_BASE_NET_LOG_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/net_log_unittest.h b/net/base/net_log_unittest.h
index 2a4b458..32fb5f8 100644
--- a/net/base/net_log_unittest.h
+++ b/net/base/net_log_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_LOG_UNITTEST_H_
 #define NET_BASE_NET_LOG_UNITTEST_H_
-#pragma once
 
 #include <cstddef>
 
diff --git a/net/base/net_module.h b/net/base/net_module.h
index 7dbbda6..b2c768b 100644
--- a/net/base/net_module.h
+++ b/net/base/net_module.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_MODULE_H__
 #define NET_BASE_NET_MODULE_H__
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/string_piece.h"
diff --git a/net/base/net_test_suite.h b/net/base/net_test_suite.h
index ddd23ba..5a7f025 100644
--- a/net/base/net_test_suite.h
+++ b/net/base/net_test_suite.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_TEST_SUITE_H_
 #define NET_BASE_NET_TEST_SUITE_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/test/test_suite.h"
diff --git a/net/base/net_util.h b/net/base/net_util.h
index 790e422..0b4ca64 100644
--- a/net/base/net_util.h
+++ b/net/base/net_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NET_UTIL_H_
 #define NET_BASE_NET_UTIL_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/base/network_change_notifier.h b/net/base/network_change_notifier.h
index 5df16d0..8420a8f 100644
--- a/net/base/network_change_notifier.h
+++ b/net/base/network_change_notifier.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/observer_list_threadsafe.h"
diff --git a/net/base/network_change_notifier_factory.h b/net/base/network_change_notifier_factory.h
index 0812d55..88cc15a 100644
--- a/net/base/network_change_notifier_factory.h
+++ b/net/base/network_change_notifier_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/base/network_change_notifier_linux.h b/net/base/network_change_notifier_linux.h
index cc5ceff..c1ba1ee 100644
--- a/net/base/network_change_notifier_linux.h
+++ b/net/base/network_change_notifier_linux.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_LINUX_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_LINUX_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/base/network_change_notifier_mac.h b/net/base/network_change_notifier_mac.h
index 43d02fb..31ad4d5 100644
--- a/net/base/network_change_notifier_mac.h
+++ b/net/base/network_change_notifier_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
-#pragma once
 
 #include <SystemConfiguration/SystemConfiguration.h>
 
diff --git a/net/base/network_change_notifier_netlink_linux.h b/net/base/network_change_notifier_netlink_linux.h
index 13abbc6..c06fdc7 100644
--- a/net/base/network_change_notifier_netlink_linux.h
+++ b/net/base/network_change_notifier_netlink_linux.h
@@ -8,7 +8,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_NETLINK_LINUX_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_NETLINK_LINUX_H_
-#pragma once
 
 #include <cstddef>
 
diff --git a/net/base/network_change_notifier_win.h b/net/base/network_change_notifier_win.h
index d37cb8f..c6a7415 100644
--- a/net/base/network_change_notifier_win.h
+++ b/net/base/network_change_notifier_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_WIN_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_WIN_H_
-#pragma once
 
 #include <windows.h>
 
diff --git a/net/base/network_delegate.h b/net/base/network_delegate.h
index ed6a7fa..137c914 100644
--- a/net/base/network_delegate.h
+++ b/net/base/network_delegate.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_NETWORK_DELEGATE_H_
 #define NET_BASE_NETWORK_DELEGATE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/nss_memio.h b/net/base/nss_memio.h
index a54f520..2c6f5a4 100644
--- a/net/base/nss_memio.h
+++ b/net/base/nss_memio.h
@@ -5,7 +5,6 @@
 
 #ifndef __MEMIO_H
 #define __MEMIO_H
-#pragma once
 
 #include <stddef.h>
 
diff --git a/net/base/openssl_private_key_store.h b/net/base/openssl_private_key_store.h
index 17f8fe1..ec79646 100644
--- a/net/base/openssl_private_key_store.h
+++ b/net/base/openssl_private_key_store.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_OPENSSL_PRIVATE_KEY_STORE_H_
 #define NET_BASE_OPENSSL_PRIVATE_KEY_STORE_H_
-#pragma once
 
 #include "base/basictypes.h"
 
diff --git a/net/base/pem_tokenizer.h b/net/base/pem_tokenizer.h
index 9f239fc..ea1fae9 100644
--- a/net/base/pem_tokenizer.h
+++ b/net/base/pem_tokenizer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_PEM_TOKENIZER_H_
 #define NET_BASE_PEM_TOKENIZER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/platform_mime_util.h b/net/base/platform_mime_util.h
index 6e124c1..85ee6cc 100644
--- a/net/base/platform_mime_util.h
+++ b/net/base/platform_mime_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_PLATFORM_MIME_UTIL_H_
 #define NET_BASE_PLATFORM_MIME_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/prioritized_dispatcher.h b/net/base/prioritized_dispatcher.h
index 896d2db..708f9d6 100644
--- a/net/base/prioritized_dispatcher.h
+++ b/net/base/prioritized_dispatcher.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_PRIORITIZED_DISPATCHER_H_
 #define NET_BASE_PRIORITIZED_DISPATCHER_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/priority_queue.h b/net/base/priority_queue.h
index d11ffcc..2da8936 100644
--- a/net/base/priority_queue.h
+++ b/net/base/priority_queue.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_PRIORITY_QUEUE_H_
 #define NET_BASE_PRIORITY_QUEUE_H_
-#pragma once
 
 #include <list>
 #include <vector>
diff --git a/net/base/rand_callback.h b/net/base/rand_callback.h
index 894b020..3aae218 100644
--- a/net/base/rand_callback.h
+++ b/net/base/rand_callback.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_RAND_CALLBACK_H_
 #define NET_BASE_RAND_CALLBACK_H_
-#pragma once
 
 #include "base/callback.h"
 
diff --git a/net/base/registry_controlled_domain.h b/net/base/registry_controlled_domain.h
index e6cb8ad..f40281f 100644
--- a/net/base/registry_controlled_domain.h
+++ b/net/base/registry_controlled_domain.h
@@ -112,7 +112,6 @@
 
 #ifndef NET_BASE_REGISTRY_CONTROLLED_DOMAIN_H_
 #define NET_BASE_REGISTRY_CONTROLLED_DOMAIN_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/request_priority.h b/net/base/request_priority.h
index 6cf1eef..e6c0788 100644
--- a/net/base/request_priority.h
+++ b/net/base/request_priority.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_REQUEST_PRIORITY_H__
 #define NET_BASE_REQUEST_PRIORITY_H__
-#pragma once
 
 namespace net {
 
diff --git a/net/base/sdch_filter.h b/net/base/sdch_filter.h
index 606ceb8f..9f7cf9a 100644
--- a/net/base/sdch_filter.h
+++ b/net/base/sdch_filter.h
@@ -13,7 +13,6 @@
 
 #ifndef NET_BASE_SDCH_FILTER_H_
 #define NET_BASE_SDCH_FILTER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/sdch_manager.h b/net/base/sdch_manager.h
index 00e2a71..dc35bd2 100644
--- a/net/base/sdch_manager.h
+++ b/net/base/sdch_manager.h
@@ -19,7 +19,6 @@
 
 #ifndef NET_BASE_SDCH_MANAGER_H_
 #define NET_BASE_SDCH_MANAGER_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/net/base/server_bound_cert_service.h b/net/base/server_bound_cert_service.h
index 3d3eea8..fda11fe 100644
--- a/net/base/server_bound_cert_service.h
+++ b/net/base/server_bound_cert_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SERVER_BOUND_CERT_SERVICE_H_
 #define NET_BASE_SERVER_BOUND_CERT_SERVICE_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/server_bound_cert_store.h b/net/base/server_bound_cert_store.h
index 59d9550..69f7a94 100644
--- a/net/base/server_bound_cert_store.h
+++ b/net/base/server_bound_cert_store.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SERVER_BOUND_CERT_STORE_H_
 #define NET_BASE_SERVER_BOUND_CERT_STORE_H_
-#pragma once
 
 #include <list>
 #include <string>
diff --git a/net/base/single_request_cert_verifier.h b/net/base/single_request_cert_verifier.h
index 6ae8bb6..29d9f04 100644
--- a/net/base/single_request_cert_verifier.h
+++ b/net/base/single_request_cert_verifier.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SINGLE_REQUEST_CERT_VERIFIER_H_
 #define NET_BASE_SINGLE_REQUEST_CERT_VERIFIER_H_
-#pragma once
 
 #include "net/base/cert_verifier.h"
 
diff --git a/net/base/single_request_host_resolver.h b/net/base/single_request_host_resolver.h
index 03b646f..89d249f 100644
--- a/net/base/single_request_host_resolver.h
+++ b/net/base/single_request_host_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SINGLE_REQUEST_HOST_RESOLVER_H_
 #define NET_BASE_SINGLE_REQUEST_HOST_RESOLVER_H_
-#pragma once
 
 #include "net/base/host_resolver.h"
 
diff --git a/net/base/ssl_cert_request_info.h b/net/base/ssl_cert_request_info.h
index ffce13f..3be3b94 100644
--- a/net/base/ssl_cert_request_info.h
+++ b/net/base/ssl_cert_request_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CERT_REQUEST_INFO_H_
 #define NET_BASE_SSL_CERT_REQUEST_INFO_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/base/ssl_cipher_suite_names.h b/net/base/ssl_cipher_suite_names.h
index 8d1f4d1..5d5a906 100644
--- a/net/base/ssl_cipher_suite_names.h
+++ b/net/base/ssl_cipher_suite_names.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CIPHER_SUITE_NAMES_H_
 #define NET_BASE_SSL_CIPHER_SUITE_NAMES_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/ssl_client_auth_cache.h b/net/base/ssl_client_auth_cache.h
index acaa572..6bfa8e6 100644
--- a/net/base/ssl_client_auth_cache.h
+++ b/net/base/ssl_client_auth_cache.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CLIENT_AUTH_CACHE_H_
 #define NET_BASE_SSL_CLIENT_AUTH_CACHE_H_
-#pragma once
 
 #include <string>
 #include <map>
diff --git a/net/base/ssl_client_cert_type.h b/net/base/ssl_client_cert_type.h
index 921a6f4..cc68598 100644
--- a/net/base/ssl_client_cert_type.h
+++ b/net/base/ssl_client_cert_type.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CLIENT_CERT_TYPE_H_
 #define NET_BASE_SSL_CLIENT_CERT_TYPE_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/ssl_config_service.h b/net/base/ssl_config_service.h
index 94c5efc..4ad882b 100644
--- a/net/base/ssl_config_service.h
+++ b/net/base/ssl_config_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CONFIG_SERVICE_H_
 #define NET_BASE_SSL_CONFIG_SERVICE_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/ssl_config_service_defaults.h b/net/base/ssl_config_service_defaults.h
index 9094db5..7987874 100644
--- a/net/base/ssl_config_service_defaults.h
+++ b/net/base/ssl_config_service_defaults.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CONFIG_SERVICE_DEFAULTS_H_
 #define NET_BASE_SSL_CONFIG_SERVICE_DEFAULTS_H_
-#pragma once
 
 #include "net/base/net_export.h"
 #include "net/base/ssl_config_service.h"
diff --git a/net/base/ssl_connection_status_flags.h b/net/base/ssl_connection_status_flags.h
index bf349ce..b5f25b9 100644
--- a/net/base/ssl_connection_status_flags.h
+++ b/net/base/ssl_connection_status_flags.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_CONNECTION_STATUS_FLAGS_H_
 #define NET_BASE_SSL_CONNECTION_STATUS_FLAGS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/base/ssl_info.h b/net/base/ssl_info.h
index f69557e..b3c37d2 100644
--- a/net/base/ssl_info.h
+++ b/net/base/ssl_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_SSL_INFO_H_
 #define NET_BASE_SSL_INFO_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/static_cookie_policy.h b/net/base/static_cookie_policy.h
index 664c638cf..eaf2f97 100644
--- a/net/base/static_cookie_policy.h
+++ b/net/base/static_cookie_policy.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_STATIC_COOKIE_POLICY_H_
 #define NET_BASE_STATIC_COOKIE_POLICY_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/base/stream_listen_socket.h b/net/base/stream_listen_socket.h
index 9e88864..e1dddbb 100644
--- a/net/base/stream_listen_socket.h
+++ b/net/base/stream_listen_socket.h
@@ -15,7 +15,6 @@
 
 #ifndef NET_BASE_STREAM_LISTEN_SOCKET_H_
 #define NET_BASE_STREAM_LISTEN_SOCKET_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/base/tcp_listen_socket.h b/net/base/tcp_listen_socket.h
index 7398565..e194e28 100644
--- a/net/base/tcp_listen_socket.h
+++ b/net/base/tcp_listen_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TCP_LISTEN_SOCKET_H_
 #define NET_BASE_TCP_LISTEN_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/tcp_listen_socket_unittest.h b/net/base/tcp_listen_socket_unittest.h
index e1069b6..ba21263 100644
--- a/net/base/tcp_listen_socket_unittest.h
+++ b/net/base/tcp_listen_socket_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_LISTEN_SOCKET_UNITTEST_H_
 #define NET_BASE_LISTEN_SOCKET_UNITTEST_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/base/test_completion_callback.h b/net/base/test_completion_callback.h
index 6d44abe..c886cfb 100644
--- a/net/base/test_completion_callback.h
+++ b/net/base/test_completion_callback.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TEST_COMPLETION_CALLBACK_H_
 #define NET_BASE_TEST_COMPLETION_CALLBACK_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/tuple.h"
diff --git a/net/base/test_data_stream.h b/net/base/test_data_stream.h
index 1b4b0ba..464220e 100644
--- a/net/base/test_data_stream.h
+++ b/net/base/test_data_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TEST_DATA_STREAM_H_
 #define NET_BASE_TEST_DATA_STREAM_H_
-#pragma once
 
 #include <string.h>  // for memcpy().
 #include <algorithm>
diff --git a/net/base/test_root_certs.h b/net/base/test_root_certs.h
index 7759b8c..7ac5f33 100644
--- a/net/base/test_root_certs.h
+++ b/net/base/test_root_certs.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TEST_ROOT_CERTS_H_
 #define NET_BASE_TEST_ROOT_CERTS_H_
-#pragma once
 
 #include "base/lazy_instance.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/base/transport_security_state.h b/net/base/transport_security_state.h
index 2161b48..2e4b42e 100644
--- a/net/base/transport_security_state.h
+++ b/net/base/transport_security_state.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TRANSPORT_SECURITY_STATE_H_
 #define NET_BASE_TRANSPORT_SECURITY_STATE_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/base/transport_security_state_static.h b/net/base/transport_security_state_static.h
index e08a2dd..4a1ef6f 100644
--- a/net/base/transport_security_state_static.h
+++ b/net/base/transport_security_state_static.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_BASE_TRANSPORT_SECURITY_STATE_STATIC_H_
 #define NET_BASE_TRANSPORT_SECURITY_STATE_STATIC_H_
-#pragma once
 
 // These are SubjectPublicKeyInfo hashes for public key pinning. The
 // hashes are base64 encoded, SHA1 digests.
diff --git a/net/base/transport_security_state_static_generate.go b/net/base/transport_security_state_static_generate.go
index a083a88..ee7ff38 100644
--- a/net/base/transport_security_state_static_generate.go
+++ b/net/base/transport_security_state_static_generate.go
@@ -420,7 +420,6 @@ func writeHeader(out *bufio.Writer) {
 
 #ifndef NET_BASE_TRANSPORT_SECURITY_STATE_STATIC_H_
 #define NET_BASE_TRANSPORT_SECURITY_STATE_STATIC_H_
-#pragma once
 
 `)
 
diff --git a/net/base/unix_domain_socket_posix.h b/net/base/unix_domain_socket_posix.h
index 7730900..726a917 100644
--- a/net/base/unix_domain_socket_posix.h
+++ b/net/base/unix_domain_socket_posix.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_UNIX_DOMAIN_SOCKET_POSIX_H_
 #define NET_BASE_UNIX_DOMAIN_SOCKET_POSIX_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/upload_data.h b/net/base/upload_data.h
index 8393477..bd0d223 100644
--- a/net/base/upload_data.h
+++ b/net/base/upload_data.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_UPLOAD_DATA_H_
 #define NET_BASE_UPLOAD_DATA_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/base/upload_data_stream.h b/net/base/upload_data_stream.h
index fcd3321..82885dc 100644
--- a/net/base/upload_data_stream.h
+++ b/net/base/upload_data_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_UPLOAD_DATA_STREAM_H_
 #define NET_BASE_UPLOAD_DATA_STREAM_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "net/base/net_export.h"
diff --git a/net/base/winsock_init.h b/net/base/winsock_init.h
index acbbd3f..c33de9d 100644
--- a/net/base/winsock_init.h
+++ b/net/base/winsock_init.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_BASE_WINSOCK_INIT_H_
 #define NET_BASE_WINSOCK_INIT_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/base/winsock_util.h b/net/base/winsock_util.h
index f1e39cb..8baa802 100644
--- a/net/base/winsock_util.h
+++ b/net/base/winsock_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_WINSOCK_UTIL_H_
 #define NET_BASE_WINSOCK_UTIL_H_
-#pragma once
 
 #include <winsock2.h>
 
diff --git a/net/base/x509_cert_types.h b/net/base/x509_cert_types.h
index e10c395..bf13242 100644
--- a/net/base/x509_cert_types.h
+++ b/net/base/x509_cert_types.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_CERT_TYPES_H_
 #define NET_BASE_X509_CERT_TYPES_H_
-#pragma once
 
 #include <string.h>
 
diff --git a/net/base/x509_certificate.h b/net/base/x509_certificate.h
index b75c1ae..4055f0a 100644
--- a/net/base/x509_certificate.h
+++ b/net/base/x509_certificate.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_CERTIFICATE_H_
 #define NET_BASE_X509_CERTIFICATE_H_
-#pragma once
 
 #include <string.h>
 
diff --git a/net/base/x509_certificate_net_log_param.h b/net/base/x509_certificate_net_log_param.h
index 73b1e3c..36ae8f5 100644
--- a/net/base/x509_certificate_net_log_param.h
+++ b/net/base/x509_certificate_net_log_param.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_CERT_NET_LOG_PARAM_H_
 #define NET_BASE_X509_CERT_NET_LOG_PARAM_H_
-#pragma once
 
 #include "net/base/net_log.h"
 
diff --git a/net/base/x509_util.h b/net/base/x509_util.h
index 4c07b25..e96a15a 100644
--- a/net/base/x509_util.h
+++ b/net/base/x509_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_UTIL_H_
 #define NET_BASE_X509_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/x509_util_nss.h b/net/base/x509_util_nss.h
index b5cc503..7685167 100644
--- a/net/base/x509_util_nss.h
+++ b/net/base/x509_util_nss.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_UTIL_NSS_H_
 #define NET_BASE_X509_UTIL_NSS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/base/x509_util_openssl.h b/net/base/x509_util_openssl.h
index fbe6336..ad51425 100644
--- a/net/base/x509_util_openssl.h
+++ b/net/base/x509_util_openssl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_X509_UTIL_OPENSSL_H_
 #define NET_BASE_X509_UTIL_OPENSSL_H_
-#pragma once
 
 #include <openssl/asn1.h>
 #include <openssl/x509v3.h>
diff --git a/net/base/zap.h b/net/base/zap.h
index 569b237..82e1800 100644
--- a/net/base/zap.h
+++ b/net/base/zap.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_ZAP_H_
 #define NET_BASE_ZAP_H_
-#pragma once
 
 #include <string>
 #include "base/string16.h"
diff --git a/net/cookies/cookie_monster.h b/net/cookies/cookie_monster.h
index 513e0d8..9cad01fa 100644
--- a/net/cookies/cookie_monster.h
+++ b/net/cookies/cookie_monster.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_COOKIES_COOKIE_MONSTER_H_
 #define NET_COOKIES_COOKIE_MONSTER_H_
-#pragma once
 
 #include <deque>
 #include <map>
diff --git a/net/cookies/cookie_monster_store_test.h b/net/cookies/cookie_monster_store_test.h
index 38d6976..265bd77 100644
--- a/net/cookies/cookie_monster_store_test.h
+++ b/net/cookies/cookie_monster_store_test.h
@@ -9,7 +9,6 @@
 
 #ifndef NET_COOKIES_COOKIE_MONSTER_STORE_TEST_H_
 #define NET_COOKIES_COOKIE_MONSTER_STORE_TEST_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/cookies/cookie_options.h b/net/cookies/cookie_options.h
index 05c3a19..8370702 100644
--- a/net/cookies/cookie_options.h
+++ b/net/cookies/cookie_options.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_COOKIES_COOKIE_OPTIONS_H_
 #define NET_COOKIES_COOKIE_OPTIONS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/cookies/cookie_store.h b/net/cookies/cookie_store.h
index 2cf7e0e..042884c 100644
--- a/net/cookies/cookie_store.h
+++ b/net/cookies/cookie_store.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_COOKIES_COOKIE_STORE_H_
 #define NET_COOKIES_COOKIE_STORE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/cookies/cookie_store_test_callbacks.h b/net/cookies/cookie_store_test_callbacks.h
index d201d32..86e11f8 100644
--- a/net/cookies/cookie_store_test_callbacks.h
+++ b/net/cookies/cookie_store_test_callbacks.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_COOKIES_COOKIE_STORE_TEST_CALLBACKS_H_
 #define NET_COOKIES_COOKIE_STORE_TEST_CALLBACKS_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/cookies/cookie_store_test_helpers.h b/net/cookies/cookie_store_test_helpers.h
index eeb7aac..7501fc53 100644
--- a/net/cookies/cookie_store_test_helpers.h
+++ b/net/cookies/cookie_store_test_helpers.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_COOKIES_COOKIE_STORE_TEST_HELPERS_H_
 #define NET_COOKIES_COOKIE_STORE_TEST_HELPERS_H_
-#pragma once
 
 #include "net/cookies/cookie_monster.h"
 
diff --git a/net/cookies/cookie_store_unittest.h b/net/cookies/cookie_store_unittest.h
index 33c1a37..be34c4a 100644
--- a/net/cookies/cookie_store_unittest.h
+++ b/net/cookies/cookie_store_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_COOKIES_COOKIE_STORE_UNITTEST_H_
 #define NET_COOKIES_COOKIE_STORE_UNITTEST_H_
-#pragma once
 
 #include "base/bind.h"
 #include "base/message_loop.h"
diff --git a/net/cookies/cookie_util.h b/net/cookies/cookie_util.h
index 4c6e72f..39cf786 100644
--- a/net/cookies/cookie_util.h
+++ b/net/cookies/cookie_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_COOKIES_COOKIE_UTIL_H_
 #define NET_COOKIES_COOKIE_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/curvecp/circular_buffer.h b/net/curvecp/circular_buffer.h
index 1c257f9..77d20f2 100644
--- a/net/curvecp/circular_buffer.h
+++ b/net/curvecp/circular_buffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_CIRCULAR_BUFFER_H_
 #define NET_CURVECP_CIRCULAR_BUFFER_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/curvecp/client_packetizer.h b/net/curvecp/client_packetizer.h
index 691276f..3737b6e 100644
--- a/net/curvecp/client_packetizer.h
+++ b/net/curvecp/client_packetizer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_CLIENT_PACKETIZER_H_
 #define NET_CURVECP_CLIENT_PACKETIZER_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/curvecp/connection_key.h b/net/curvecp/connection_key.h
index 8fe94ad..cf092a3 100644
--- a/net/curvecp/connection_key.h
+++ b/net/curvecp/connection_key.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_CONNECTION_KEY_H_
 #define NET_CURVECP_CONNECTION_KEY_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/curvecp/curvecp_client_socket.h b/net/curvecp/curvecp_client_socket.h
index 2db574f..de3e86a 100644
--- a/net/curvecp/curvecp_client_socket.h
+++ b/net/curvecp/curvecp_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_CURVECP_CLIENT_SOCKET_H_
 #define NET_CURVECP_CURVECP_CLIENT_SOCKET_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/completion_callback.h"
diff --git a/net/curvecp/curvecp_server_socket.h b/net/curvecp/curvecp_server_socket.h
index e4df3ef..b293957 100644
--- a/net/curvecp/curvecp_server_socket.h
+++ b/net/curvecp/curvecp_server_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_CURVECP_SERVER_SOCKET_H_
 #define NET_CURVECP_CURVECP_SERVER_SOCKET_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/completion_callback.h"
diff --git a/net/curvecp/messenger.h b/net/curvecp/messenger.h
index 4657df9..2a183c2 100644
--- a/net/curvecp/messenger.h
+++ b/net/curvecp/messenger.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_MESSENGER_H_
 #define NET_CURVECP_MESSENGER_H_
-#pragma once
 
 #include <deque>
 #include <list>
diff --git a/net/curvecp/packetizer.h b/net/curvecp/packetizer.h
index c4b62ed..ce21f34 100644
--- a/net/curvecp/packetizer.h
+++ b/net/curvecp/packetizer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_PACKETIZER_H_
 #define NET_CURVECP_PACKETIZER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/completion_callback.h"
diff --git a/net/curvecp/protocol.h b/net/curvecp/protocol.h
index 07eea49..041bf38 100644
--- a/net/curvecp/protocol.h
+++ b/net/curvecp/protocol.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_PROTOCOL_H_
 #define NET_CURVECP_PROTOCOL_H_
-#pragma once
 
 // Mike's thoughts on the protocol:
 //   1) the packet layer probably should have a "close" mechanism.  although
diff --git a/net/curvecp/received_block_list.h b/net/curvecp/received_block_list.h
index 22755f5..2cf111e 100644
--- a/net/curvecp/received_block_list.h
+++ b/net/curvecp/received_block_list.h
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 #ifndef NET_CURVECP_RECEIVED_BLOCK_LIST_H_
 #define NET_CURVECP_RECEIVED_BLOCK_LIST_H_
-#pragma once
 
 #include <deque>
 
diff --git a/net/curvecp/rtt_and_send_rate_calculator.h b/net/curvecp/rtt_and_send_rate_calculator.h
index ad7aca4..1bb517a 100644
--- a/net/curvecp/rtt_and_send_rate_calculator.h
+++ b/net/curvecp/rtt_and_send_rate_calculator.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_RTT_AND_SEND_RATE_CALCULATOR_H_
 #define NET_CURVECP_RTT_AND_SEND_RATE_CALCULATOR_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/time.h"
diff --git a/net/curvecp/sent_block_list.h b/net/curvecp/sent_block_list.h
index c63e8bfd..c246204 100644
--- a/net/curvecp/sent_block_list.h
+++ b/net/curvecp/sent_block_list.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_SENT_BLOCK_LIST_H_
 #define NET_CURVECP_SENT_BLOCK_LIST_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/curvecp/server_messenger.h b/net/curvecp/server_messenger.h
index bea2128..6f94da4 100644
--- a/net/curvecp/server_messenger.h
+++ b/net/curvecp/server_messenger.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_SERVER_MESSENGER_H_
 #define NET_CURVECP_SERVER_MESSENGER_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/curvecp/server_packetizer.h b/net/curvecp/server_packetizer.h
index f2cc994..0a6ed50 100644
--- a/net/curvecp/server_packetizer.h
+++ b/net/curvecp/server_packetizer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_SERVER_PACKETIZER_H_
 #define NET_CURVECP_SERVER_PACKETIZER_H_
-#pragma once
 
 #include <map>
 
diff --git a/net/curvecp/test_client.h b/net/curvecp/test_client.h
index 1348b8a..c719b41 100644
--- a/net/curvecp/test_client.h
+++ b/net/curvecp/test_client.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_TEST_CLIENT_H_
 #define NET_CURVECP_TEST_CLIENT_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/base/host_port_pair.h"
diff --git a/net/curvecp/test_server.h b/net/curvecp/test_server.h
index 6b10af3..13a39c3 100644
--- a/net/curvecp/test_server.h
+++ b/net/curvecp/test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_CURVECP_TEST_SERVER_H_
 #define NET_CURVECP_TEST_SERVER_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/test_data_stream.h"
diff --git a/net/disk_cache/addr.h b/net/disk_cache/addr.h
index b398934..b8aa7b7 100644
--- a/net/disk_cache/addr.h
+++ b/net/disk_cache/addr.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_DISK_CACHE_ADDR_H_
 #define NET_DISK_CACHE_ADDR_H_
-#pragma once
 
 #include "net/base/net_export.h"
 #include "net/disk_cache/disk_format.h"
diff --git a/net/disk_cache/backend_impl.h b/net/disk_cache/backend_impl.h
index fed977f..1dd33f1 100644
--- a/net/disk_cache/backend_impl.h
+++ b/net/disk_cache/backend_impl.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_BACKEND_IMPL_H_
 #define NET_DISK_CACHE_BACKEND_IMPL_H_
-#pragma once
 
 #include "base/file_path.h"
 #include "base/hash_tables.h"
diff --git a/net/disk_cache/bitmap.h b/net/disk_cache/bitmap.h
index 0ac204b..81c434c 100644
--- a/net/disk_cache/bitmap.h
+++ b/net/disk_cache/bitmap.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_BITMAP_H_
 #define NET_DISK_CACHE_BITMAP_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/disk_cache/block_files.h b/net/disk_cache/block_files.h
index 961a8f1..88db317 100644
--- a/net/disk_cache/block_files.h
+++ b/net/disk_cache/block_files.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_BLOCK_FILES_H_
 #define NET_DISK_CACHE_BLOCK_FILES_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/disk_cache/cache_util.h b/net/disk_cache/cache_util.h
index 108f0b7..6987dc3 100644
--- a/net/disk_cache/cache_util.h
+++ b/net/disk_cache/cache_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_CACHE_UTIL_H_
 #define NET_DISK_CACHE_CACHE_UTIL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/disk_cache/disk_cache.h b/net/disk_cache/disk_cache.h
index f2fbcdd..3e29703 100644
--- a/net/disk_cache/disk_cache.h
+++ b/net/disk_cache/disk_cache.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_DISK_CACHE_DISK_CACHE_H_
 #define NET_DISK_CACHE_DISK_CACHE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/disk_cache/disk_cache_test_base.h b/net/disk_cache/disk_cache_test_base.h
index 1d621d3..b5bd459 100644
--- a/net/disk_cache/disk_cache_test_base.h
+++ b/net/disk_cache/disk_cache_test_base.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H_
 #define NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
diff --git a/net/disk_cache/disk_cache_test_util.h b/net/disk_cache/disk_cache_test_util.h
index a3c5508..2194561 100644
--- a/net/disk_cache/disk_cache_test_util.h
+++ b/net/disk_cache/disk_cache_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H_
 #define NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/disk_cache/disk_format.h b/net/disk_cache/disk_format.h
index 35b7030..df6cabf 100644
--- a/net/disk_cache/disk_format.h
+++ b/net/disk_cache/disk_format.h
@@ -54,7 +54,6 @@
 
 #ifndef NET_DISK_CACHE_DISK_FORMAT_H_
 #define NET_DISK_CACHE_DISK_FORMAT_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/disk_cache/entry_impl.h b/net/disk_cache/entry_impl.h
index 466540f..92217dc 100644
--- a/net/disk_cache/entry_impl.h
+++ b/net/disk_cache/entry_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_ENTRY_IMPL_H_
 #define NET_DISK_CACHE_ENTRY_IMPL_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_log.h"
diff --git a/net/disk_cache/errors.h b/net/disk_cache/errors.h
index af4043a..1c69d42 100644
--- a/net/disk_cache/errors.h
+++ b/net/disk_cache/errors.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_ERRORS_H__
 #define NET_DISK_CACHE_ERRORS_H__
-#pragma once
 
 namespace disk_cache {
 
diff --git a/net/disk_cache/eviction.h b/net/disk_cache/eviction.h
index 5a83f12..060db43 100644
--- a/net/disk_cache/eviction.h
+++ b/net/disk_cache/eviction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_EVICTION_H_
 #define NET_DISK_CACHE_EVICTION_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
diff --git a/net/disk_cache/experiments.h b/net/disk_cache/experiments.h
index c4e8ccb..b088b08a 100644
--- a/net/disk_cache/experiments.h
+++ b/net/disk_cache/experiments.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_EXPERIMENTS_H_
 #define NET_DISK_CACHE_EXPERIMENTS_H_
-#pragma once
 
 
 namespace disk_cache {
diff --git a/net/disk_cache/file.h b/net/disk_cache/file.h
index 446ccf5..0124090 100644
--- a/net/disk_cache/file.h
+++ b/net/disk_cache/file.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_FILE_H_
 #define NET_DISK_CACHE_FILE_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
diff --git a/net/disk_cache/file_block.h b/net/disk_cache/file_block.h
index 7d453e5..2570920 100644
--- a/net/disk_cache/file_block.h
+++ b/net/disk_cache/file_block.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_FILE_BLOCK_H__
 #define NET_DISK_CACHE_FILE_BLOCK_H__
-#pragma once
 
 namespace disk_cache {
 
diff --git a/net/disk_cache/file_lock.h b/net/disk_cache/file_lock.h
index ad8e539..a51067e 100644
--- a/net/disk_cache/file_lock.h
+++ b/net/disk_cache/file_lock.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_FILE_LOCK_H__
 #define NET_DISK_CACHE_FILE_LOCK_H__
-#pragma once
 
 #include "net/base/net_export.h"
 #include "net/disk_cache/disk_format.h"
diff --git a/net/disk_cache/hash.h b/net/disk_cache/hash.h
index 4bcf270..414a369 100644
--- a/net/disk_cache/hash.h
+++ b/net/disk_cache/hash.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_HASH_H__
 #define NET_DISK_CACHE_HASH_H__
-#pragma once
 
 #include <string>
 
diff --git a/net/disk_cache/histogram_macros.h b/net/disk_cache/histogram_macros.h
index 0dc12c5..992e946 100644
--- a/net/disk_cache/histogram_macros.h
+++ b/net/disk_cache/histogram_macros.h
@@ -10,7 +10,6 @@
 
 #ifndef NET_DISK_CACHE_HISTOGRAM_MACROS_H_
 #define NET_DISK_CACHE_HISTOGRAM_MACROS_H_
-#pragma once
 
 // -----------------------------------------------------------------------------
 
diff --git a/net/disk_cache/in_flight_backend_io.h b/net/disk_cache/in_flight_backend_io.h
index 0e2eec6..09cfd3f 100644
--- a/net/disk_cache/in_flight_backend_io.h
+++ b/net/disk_cache/in_flight_backend_io.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_IN_FLIGHT_BACKEND_IO_H_
 #define NET_DISK_CACHE_IN_FLIGHT_BACKEND_IO_H_
-#pragma once
 
 #include <list>
 #include <string>
diff --git a/net/disk_cache/in_flight_io.h b/net/disk_cache/in_flight_io.h
index c007cb9..2ba7517 100644
--- a/net/disk_cache/in_flight_io.h
+++ b/net/disk_cache/in_flight_io.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_IN_FLIGHT_IO_H_
 #define NET_DISK_CACHE_IN_FLIGHT_IO_H_
-#pragma once
 
 #include <set>
 
diff --git a/net/disk_cache/mapped_file.h b/net/disk_cache/mapped_file.h
index 1e794bd..c5960d0 100644
--- a/net/disk_cache/mapped_file.h
+++ b/net/disk_cache/mapped_file.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_MAPPED_FILE_H_
 #define NET_DISK_CACHE_MAPPED_FILE_H_
-#pragma once
 
 #include "net/base/net_export.h"
 #include "net/disk_cache/disk_format.h"
diff --git a/net/disk_cache/mem_backend_impl.h b/net/disk_cache/mem_backend_impl.h
index 0ea0799..1c6cdb0 100644
--- a/net/disk_cache/mem_backend_impl.h
+++ b/net/disk_cache/mem_backend_impl.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_MEM_BACKEND_IMPL_H__
 #define NET_DISK_CACHE_MEM_BACKEND_IMPL_H__
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/hash_tables.h"
diff --git a/net/disk_cache/mem_entry_impl.h b/net/disk_cache/mem_entry_impl.h
index c16a0ad..ee4cbe4 100644
--- a/net/disk_cache/mem_entry_impl.h
+++ b/net/disk_cache/mem_entry_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_MEM_ENTRY_IMPL_H_
 #define NET_DISK_CACHE_MEM_ENTRY_IMPL_H_
-#pragma once
 
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.h"
diff --git a/net/disk_cache/mem_rankings.h b/net/disk_cache/mem_rankings.h
index 166224f..fa90688 100644
--- a/net/disk_cache/mem_rankings.h
+++ b/net/disk_cache/mem_rankings.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_MEM_RANKINGS_H__
 #define NET_DISK_CACHE_MEM_RANKINGS_H__
-#pragma once
 
 #include "base/basictypes.h"
 
diff --git a/net/disk_cache/net_log_parameters.h b/net/disk_cache/net_log_parameters.h
index 4e34a0e..3598cda 100644
--- a/net/disk_cache/net_log_parameters.h
+++ b/net/disk_cache/net_log_parameters.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_NET_LOG_PARAMETERS_H_
 #define NET_DISK_CACHE_NET_LOG_PARAMETERS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/disk_cache/rankings.h b/net/disk_cache/rankings.h
index 0886e0c..703e8ae 100644
--- a/net/disk_cache/rankings.h
+++ b/net/disk_cache/rankings.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_RANKINGS_H_
 #define NET_DISK_CACHE_RANKINGS_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/disk_cache/sparse_control.h b/net/disk_cache/sparse_control.h
index b0d9f37..a018e18 100644
--- a/net/disk_cache/sparse_control.h
+++ b/net/disk_cache/sparse_control.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_SPARSE_CONTROL_H_
 #define NET_DISK_CACHE_SPARSE_CONTROL_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/disk_cache/stats.h b/net/disk_cache/stats.h
index 16c74fd..643c832 100644
--- a/net/disk_cache/stats.h
+++ b/net/disk_cache/stats.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_STATS_H_
 #define NET_DISK_CACHE_STATS_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/disk_cache/stats_histogram.h b/net/disk_cache/stats_histogram.h
index 9d44545..97b2d401 100644
--- a/net/disk_cache/stats_histogram.h
+++ b/net/disk_cache/stats_histogram.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_STATS_HISTOGRAM_H_
 #define NET_DISK_CACHE_STATS_HISTOGRAM_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/disk_cache/storage_block-inl.h b/net/disk_cache/storage_block-inl.h
index 388aa24..cc0b2aa 100644
--- a/net/disk_cache/storage_block-inl.h
+++ b/net/disk_cache/storage_block-inl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_STORAGE_BLOCK_INL_H_
 #define NET_DISK_CACHE_STORAGE_BLOCK_INL_H_
-#pragma once
 
 #include "net/disk_cache/storage_block.h"
 
diff --git a/net/disk_cache/storage_block.h b/net/disk_cache/storage_block.h
index f32c0fc..c967c2d 100644
--- a/net/disk_cache/storage_block.h
+++ b/net/disk_cache/storage_block.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_DISK_CACHE_STORAGE_BLOCK_H__
 #define NET_DISK_CACHE_STORAGE_BLOCK_H__
-#pragma once
 
 #include "net/disk_cache/addr.h"
 #include "net/disk_cache/mapped_file.h"
diff --git a/net/disk_cache/stress_support.h b/net/disk_cache/stress_support.h
index 68457fb0..48d7b5b7 100644
--- a/net/disk_cache/stress_support.h
+++ b/net/disk_cache/stress_support.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DISK_CACHE_STRESS_SUPPORT_H_
 #define NET_DISK_CACHE_STRESS_SUPPORT_H_
-#pragma once
 
 #include "base/logging.h"
 
diff --git a/net/disk_cache/trace.h b/net/disk_cache/trace.h
index ed840c4..b0bf1ad 100644
--- a/net/disk_cache/trace.h
+++ b/net/disk_cache/trace.h
@@ -8,7 +8,6 @@
 
 #ifndef NET_DISK_CACHE_TRACE_H__
 #define NET_DISK_CACHE_TRACE_H__
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/dns/dns_client.h b/net/dns/dns_client.h
index c5461ec..13aa0bf8 100644
--- a/net/dns/dns_client.h
+++ b/net/dns/dns_client.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_CLIENT_H_
 #define NET_DNS_DNS_CLIENT_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
diff --git a/net/dns/dns_config_service.h b/net/dns/dns_config_service.h
index 7d11832..c646f4f 100644
--- a/net/dns/dns_config_service.h
+++ b/net/dns/dns_config_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_CONFIG_SERVICE_H_
 #define NET_DNS_DNS_CONFIG_SERVICE_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/dns/dns_config_service_posix.h b/net/dns/dns_config_service_posix.h
index 6c1bc08..029e467 100644
--- a/net/dns/dns_config_service_posix.h
+++ b/net/dns/dns_config_service_posix.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
 #define NET_DNS_DNS_CONFIG_SERVICE_POSIX_H_
-#pragma once
 
 #include <sys/types.h>
 #include <netinet/in.h>
diff --git a/net/dns/dns_config_service_win.h b/net/dns/dns_config_service_win.h
index 830b181..b0a29d0 100644
--- a/net/dns/dns_config_service_win.h
+++ b/net/dns/dns_config_service_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_CONFIG_SERVICE_WIN_H_
 #define NET_DNS_DNS_CONFIG_SERVICE_WIN_H_
-#pragma once
 
 // The sole purpose of dns_config_service_win.h is for unittests so we just
 // include these headers here.
diff --git a/net/dns/dns_config_watcher.h b/net/dns/dns_config_watcher.h
index 04d7056..5a88bb7 100644
--- a/net/dns/dns_config_watcher.h
+++ b/net/dns/dns_config_watcher.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_CONFIG_WATCHER_H_
 #define NET_DNS_DNS_CONFIG_WATCHER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/dns/dns_hosts.h b/net/dns/dns_hosts.h
index 9304a62..d6e6b47 100644
--- a/net/dns/dns_hosts.h
+++ b/net/dns/dns_hosts.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_HOSTS_H_
 #define NET_DNS_DNS_HOSTS_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/dns/dns_protocol.h b/net/dns/dns_protocol.h
index 38e1975..bbd8fa2 100644
--- a/net/dns/dns_protocol.h
+++ b/net/dns/dns_protocol.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_PROTOCOL_H_
 #define NET_DNS_DNS_PROTOCOL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/dns/dns_query.h b/net/dns/dns_query.h
index e851113..59db9a1 100644
--- a/net/dns/dns_query.h
+++ b/net/dns/dns_query.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_QUERY_H_
 #define NET_DNS_DNS_QUERY_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/dns/dns_response.h b/net/dns/dns_response.h
index 6a3b59b..5ade458 100644
--- a/net/dns/dns_response.h
+++ b/net/dns/dns_response.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_RESPONSE_H_
 #define NET_DNS_DNS_RESPONSE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/dns/dns_session.h b/net/dns/dns_session.h
index 986a381..70728c7 100644
--- a/net/dns/dns_session.h
+++ b/net/dns/dns_session.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_SESSION_H_
 #define NET_DNS_DNS_SESSION_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
diff --git a/net/dns/dns_test_util.h b/net/dns/dns_test_util.h
index 3ca6e11..53a0620 100644
--- a/net/dns/dns_test_util.h
+++ b/net/dns/dns_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_TEST_UTIL_H_
 #define NET_DNS_DNS_TEST_UTIL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/dns/dns_transaction.h b/net/dns/dns_transaction.h
index 9dbfb6c..edbb7a7 100644
--- a/net/dns/dns_transaction.h
+++ b/net/dns/dns_transaction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_DNS_TRANSACTION_H_
 #define NET_DNS_DNS_TRANSACTION_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/dns/notify_watcher_mac.h b/net/dns/notify_watcher_mac.h
index 57562bd..a05eda2 100644
--- a/net/dns/notify_watcher_mac.h
+++ b/net/dns/notify_watcher_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_NOTIFY_WATCHER_MAC_H_
 #define NET_DNS_NOTIFY_WATCHER_MAC_H_
-#pragma once
 
 #include "base/callback.h"
 #include "base/message_loop.h"
diff --git a/net/dns/serial_worker.h b/net/dns/serial_worker.h
index b4bfe54..982286f 100644
--- a/net/dns/serial_worker.h
+++ b/net/dns/serial_worker.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_DNS_SERIAL_WORKER_H_
 #define NET_DNS_SERIAL_WORKER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/ftp/ftp_auth_cache.h b/net/ftp/ftp_auth_cache.h
index 393b23d..52b073c 100644
--- a/net/ftp/ftp_auth_cache.h
+++ b/net/ftp/ftp_auth_cache.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_AUTH_CACHE_H_
 #define NET_FTP_FTP_AUTH_CACHE_H_
-#pragma once
 
 #include <list>
 
diff --git a/net/ftp/ftp_ctrl_response_buffer.h b/net/ftp/ftp_ctrl_response_buffer.h
index c2224bb..be74c95 100644
--- a/net/ftp/ftp_ctrl_response_buffer.h
+++ b/net/ftp/ftp_ctrl_response_buffer.h
@@ -5,7 +5,6 @@
 
 #ifndef NET_FTP_FTP_CTRL_RESPONSE_BUFFER_H_
 #define NET_FTP_FTP_CTRL_RESPONSE_BUFFER_H_
-#pragma once
 
 #include <queue>
 #include <string>
diff --git a/net/ftp/ftp_directory_listing_parser.h b/net/ftp/ftp_directory_listing_parser.h
index 7e43dc8..cc431ee 100644
--- a/net/ftp/ftp_directory_listing_parser.h
+++ b/net/ftp/ftp_directory_listing_parser.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/ftp/ftp_directory_listing_parser_ls.h b/net/ftp/ftp_directory_listing_parser_ls.h
index a690d63..f3c16eb 100644
--- a/net/ftp/ftp_directory_listing_parser_ls.h
+++ b/net/ftp/ftp_directory_listing_parser_ls.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_LS_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_LS_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_directory_listing_parser_netware.h b/net/ftp/ftp_directory_listing_parser_netware.h
index b6c8078..a7bde93 100644
--- a/net/ftp/ftp_directory_listing_parser_netware.h
+++ b/net/ftp/ftp_directory_listing_parser_netware.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_NETWARE_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_NETWARE_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_directory_listing_parser_os2.h b/net/ftp/ftp_directory_listing_parser_os2.h
index 808343e..89c59f0 100644
--- a/net/ftp/ftp_directory_listing_parser_os2.h
+++ b/net/ftp/ftp_directory_listing_parser_os2.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_OS2_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_OS2_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_directory_listing_parser_unittest.h b/net/ftp/ftp_directory_listing_parser_unittest.h
index 11eb75b..dbb1678 100644
--- a/net/ftp/ftp_directory_listing_parser_unittest.h
+++ b/net/ftp/ftp_directory_listing_parser_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_UNITTEST_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_UNITTEST_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_directory_listing_parser_vms.h b/net/ftp/ftp_directory_listing_parser_vms.h
index 64df7df..6777387 100644
--- a/net/ftp/ftp_directory_listing_parser_vms.h
+++ b/net/ftp/ftp_directory_listing_parser_vms.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_VMS_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_VMS_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_directory_listing_parser_windows.h b/net/ftp/ftp_directory_listing_parser_windows.h
index 81cec7f..f45f433 100644
--- a/net/ftp/ftp_directory_listing_parser_windows.h
+++ b/net/ftp/ftp_directory_listing_parser_windows.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_WINDOWS_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_WINDOWS_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/ftp/ftp_network_layer.h b/net/ftp/ftp_network_layer.h
index 0c48f13..6040d02 100644
--- a/net/ftp/ftp_network_layer.h
+++ b/net/ftp/ftp_network_layer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_NETWORK_LAYER_H_
 #define NET_FTP_FTP_NETWORK_LAYER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/ftp/ftp_network_session.h b/net/ftp/ftp_network_session.h
index ad1178a..c9b3388 100644
--- a/net/ftp/ftp_network_session.h
+++ b/net/ftp/ftp_network_session.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_NETWORK_SESSION_H_
 #define NET_FTP_FTP_NETWORK_SESSION_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "net/base/net_export.h"
diff --git a/net/ftp/ftp_network_transaction.h b/net/ftp/ftp_network_transaction.h
index be1cfdd..681d806 100644
--- a/net/ftp/ftp_network_transaction.h
+++ b/net/ftp/ftp_network_transaction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_NETWORK_TRANSACTION_H_
 #define NET_FTP_FTP_NETWORK_TRANSACTION_H_
-#pragma once
 
 #include <string>
 #include <utility>
diff --git a/net/ftp/ftp_request_info.h b/net/ftp/ftp_request_info.h
index c73be47..b30610e 100644
--- a/net/ftp/ftp_request_info.h
+++ b/net/ftp/ftp_request_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_REQUEST_INFO_H_
 #define NET_FTP_FTP_REQUEST_INFO_H_
-#pragma once
 
 #include "googleurl/src/gurl.h"
 
diff --git a/net/ftp/ftp_response_info.h b/net/ftp/ftp_response_info.h
index 81d09bd..a5a7ebe 100644
--- a/net/ftp/ftp_response_info.h
+++ b/net/ftp/ftp_response_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_RESPONSE_INFO_H_
 #define NET_FTP_FTP_RESPONSE_INFO_H_
-#pragma once
 
 #include "base/time.h"
 #include "net/base/host_port_pair.h"
diff --git a/net/ftp/ftp_server_type_histograms.h b/net/ftp/ftp_server_type_histograms.h
index 7e5a21b..9a99588 100644
--- a/net/ftp/ftp_server_type_histograms.h
+++ b/net/ftp/ftp_server_type_histograms.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_SERVER_TYPE_HISTOGRAMS_H_
 #define NET_FTP_FTP_SERVER_TYPE_HISTOGRAMS_H_
-#pragma once
 
 // The UpdateFtpServerTypeHistograms function collects statistics related
 // to the types of FTP servers that our users are encountering.
diff --git a/net/ftp/ftp_transaction.h b/net/ftp/ftp_transaction.h
index 4fec784..f0e1b41 100644
--- a/net/ftp/ftp_transaction.h
+++ b/net/ftp/ftp_transaction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_TRANSACTION_H_
 #define NET_FTP_FTP_TRANSACTION_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
diff --git a/net/ftp/ftp_transaction_factory.h b/net/ftp/ftp_transaction_factory.h
index 9e53c70..db32fbe 100644
--- a/net/ftp/ftp_transaction_factory.h
+++ b/net/ftp/ftp_transaction_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_TRANSACTION_FACTORY_H_
 #define NET_FTP_FTP_TRANSACTION_FACTORY_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/ftp/ftp_util.h b/net/ftp/ftp_util.h
index d0250f0..41e9d5a 100644
--- a/net/ftp/ftp_util.h
+++ b/net/ftp/ftp_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_FTP_FTP_UTIL_H_
 #define NET_FTP_FTP_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/des.h b/net/http/des.h
index 5f0fb34..a1803ba 100644
--- a/net/http/des.h
+++ b/net/http/des.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_DES_H_
 #define NET_HTTP_DES_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_auth.h b/net/http/http_auth.h
index 7b71850..a42fc20 100644
--- a/net/http/http_auth.h
+++ b/net/http/http_auth.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_H_
 #define NET_HTTP_HTTP_AUTH_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/net/http/http_auth_cache.h b/net/http/http_auth_cache.h
index 3de2c71..3880dbf 100644
--- a/net/http/http_auth_cache.h
+++ b/net/http/http_auth_cache.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_CACHE_H_
 #define NET_HTTP_HTTP_AUTH_CACHE_H_
-#pragma once
 
 #include <list>
 #include <string>
diff --git a/net/http/http_auth_controller.h b/net/http/http_auth_controller.h
index 2995bb7..efcab5e 100644
--- a/net/http/http_auth_controller.h
+++ b/net/http/http_auth_controller.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_CONTROLLER_H_
 #define NET_HTTP_HTTP_AUTH_CONTROLLER_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/net/http/http_auth_filter.h b/net/http/http_auth_filter.h
index 4909a32..9f09ac1 100644
--- a/net/http/http_auth_filter.h
+++ b/net/http/http_auth_filter.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_FILTER_H_
 #define NET_HTTP_HTTP_AUTH_FILTER_H_
-#pragma once
 
 #include <list>
 #include <string>
diff --git a/net/http/http_auth_filter_win.h b/net/http/http_auth_filter_win.h
index ba15084..e6cd2a7 100644
--- a/net/http/http_auth_filter_win.h
+++ b/net/http/http_auth_filter_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_FILTER_WIN_H_
 #define NET_HTTP_HTTP_AUTH_FILTER_WIN_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/http/http_auth_gssapi_posix.h b/net/http/http_auth_gssapi_posix.h
index 96c7176..b36c6dc 100644
--- a/net/http/http_auth_gssapi_posix.h
+++ b/net/http/http_auth_gssapi_posix.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_GSSAPI_POSIX_H_
 #define NET_HTTP_HTTP_AUTH_GSSAPI_POSIX_H_
-#pragma once
 
 #include <gssapi.h>
 
diff --git a/net/http/http_auth_handler.h b/net/http/http_auth_handler.h
index 864a512..638bb44 100644
--- a/net/http/http_auth_handler.h
+++ b/net/http/http_auth_handler.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_auth_handler_basic.h b/net/http/http_auth_handler_basic.h
index 62d153e6..ce56152 100644
--- a/net/http/http_auth_handler_basic.h
+++ b/net/http/http_auth_handler_basic.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_BASIC_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_BASIC_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_auth_handler_digest.h b/net/http/http_auth_handler_digest.h
index e960779..7edac16 100644
--- a/net/http/http_auth_handler_digest.h
+++ b/net/http/http_auth_handler_digest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_DIGEST_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_DIGEST_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_auth_handler_factory.h b/net/http/http_auth_handler_factory.h
index 58db6f6..2762751 100644
--- a/net/http/http_auth_handler_factory.h
+++ b/net/http/http_auth_handler_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_FACTORY_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_FACTORY_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/http/http_auth_handler_mock.h b/net/http/http_auth_handler_mock.h
index 8992d2e..ee2a92c 100644
--- a/net/http/http_auth_handler_mock.h
+++ b/net/http/http_auth_handler_mock.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_MOCK_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_MOCK_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_auth_handler_negotiate.h b/net/http/http_auth_handler_negotiate.h
index 9e00c3b..6fd7aa9 100644
--- a/net/http/http_auth_handler_negotiate.h
+++ b/net/http/http_auth_handler_negotiate.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_NEGOTIATE_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_NEGOTIATE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_auth_handler_ntlm.h b/net/http/http_auth_handler_ntlm.h
index eb87795..be60ae8 100644
--- a/net/http/http_auth_handler_ntlm.h
+++ b/net/http/http_auth_handler_ntlm.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_NTLM_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_NTLM_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/http/http_auth_sspi_win.h b/net/http/http_auth_sspi_win.h
index e33dcc5..a4fbedc 100644
--- a/net/http/http_auth_sspi_win.h
+++ b/net/http/http_auth_sspi_win.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_HTTP_HTTP_AUTH_SSPI_WIN_H_
 #define NET_HTTP_HTTP_AUTH_SSPI_WIN_H_
-#pragma once
 
 // security.h needs to be included for CredHandle. Unfortunately CredHandle
 // is a typedef and can't be forward declared.
diff --git a/net/http/http_basic_stream.h b/net/http/http_basic_stream.h
index c6c7603..363846f 100644
--- a/net/http/http_basic_stream.h
+++ b/net/http/http_basic_stream.h
@@ -8,7 +8,6 @@
 
 #ifndef NET_HTTP_HTTP_BASIC_STREAM_H_
 #define NET_HTTP_HTTP_BASIC_STREAM_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_byte_range.h b/net/http/http_byte_range.h
index 9181052..2c06434 100644
--- a/net/http/http_byte_range.h
+++ b/net/http/http_byte_range.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_BYTE_RANGE_H_
 #define NET_HTTP_HTTP_BYTE_RANGE_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_cache.h b/net/http/http_cache.h
index 1f2d7c7..f5c391e 100644
--- a/net/http/http_cache.h
+++ b/net/http/http_cache.h
@@ -13,7 +13,6 @@
 
 #ifndef NET_HTTP_HTTP_CACHE_H_
 #define NET_HTTP_HTTP_CACHE_H_
-#pragma once
 
 #include <list>
 #include <set>
diff --git a/net/http/http_cache_transaction.h b/net/http/http_cache_transaction.h
index 9592723..5b1dc6c 100644
--- a/net/http/http_cache_transaction.h
+++ b/net/http/http_cache_transaction.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_HTTP_HTTP_CACHE_TRANSACTION_H_
 #define NET_HTTP_HTTP_CACHE_TRANSACTION_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_chunked_decoder.h b/net/http/http_chunked_decoder.h
index 1ec8b4b..1582450 100644
--- a/net/http/http_chunked_decoder.h
+++ b/net/http/http_chunked_decoder.h
@@ -44,7 +44,6 @@
 
 #ifndef NET_HTTP_HTTP_CHUNKED_DECODER_H_
 #define NET_HTTP_HTTP_CHUNKED_DECODER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_content_disposition.h b/net/http/http_content_disposition.h
index 9f4923e..f3573a9 100644
--- a/net/http/http_content_disposition.h
+++ b/net/http/http_content_disposition.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_CONTENT_DISPOSITION_H_
 #define NET_HTTP_HTTP_CONTENT_DISPOSITION_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_network_layer.h b/net/http/http_network_layer.h
index 1fb5b4b..283bcca 100644
--- a/net/http/http_network_layer.h
+++ b/net/http/http_network_layer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_NETWORK_LAYER_H_
 #define NET_HTTP_HTTP_NETWORK_LAYER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index 9cbf8ef..35b4bd0 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_NETWORK_SESSION_H_
 #define NET_HTTP_HTTP_NETWORK_SESSION_H_
-#pragma once
 
 #include <set>
 #include "base/memory/ref_counted.h"
diff --git a/net/http/http_network_session_peer.h b/net/http/http_network_session_peer.h
index 49111a2..3d995cf 100644
--- a/net/http/http_network_session_peer.h
+++ b/net/http/http_network_session_peer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_NETWORK_SESSION_PEER_H_
 #define NET_HTTP_HTTP_NETWORK_SESSION_PEER_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_network_transaction.h b/net/http/http_network_transaction.h
index 73ff419..b3c4c47 100644
--- a/net/http/http_network_transaction.h
+++ b/net/http/http_network_transaction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_NETWORK_TRANSACTION_H_
 #define NET_HTTP_HTTP_NETWORK_TRANSACTION_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_pipelined_connection.h b/net/http/http_pipelined_connection.h
index 67b1e83..d0d3599 100644
--- a/net/http/http_pipelined_connection.h
+++ b/net/http/http_pipelined_connection.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_CONNECTION_H_
 #define NET_HTTP_HTTP_PIPELINED_CONNECTION_H_
-#pragma once
 
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
diff --git a/net/http/http_pipelined_connection_impl.h b/net/http/http_pipelined_connection_impl.h
index 89071aa..be62885 100644
--- a/net/http/http_pipelined_connection_impl.h
+++ b/net/http/http_pipelined_connection_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_CONNECTION_IMPL_H_
 #define NET_HTTP_HTTP_PIPELINED_CONNECTION_IMPL_H_
-#pragma once
 
 #include <map>
 #include <queue>
diff --git a/net/http/http_pipelined_host.h b/net/http/http_pipelined_host.h
index 03c685a..b7732e6 100644
--- a/net/http/http_pipelined_host.h
+++ b/net/http/http_pipelined_host.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_H_
-#pragma once
 
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_pipelined_host_capability.h b/net/http/http_pipelined_host_capability.h
index 2c44cd3..d03a208 100644
--- a/net/http/http_pipelined_host_capability.h
+++ b/net/http/http_pipelined_host_capability.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_CAPABILITY_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_CAPABILITY_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/http/http_pipelined_host_forced.h b/net/http/http_pipelined_host_forced.h
index 9dc2727..2c3c915 100644
--- a/net/http/http_pipelined_host_forced.h
+++ b/net/http/http_pipelined_host_forced.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_FORCED_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_FORCED_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_pipelined_host_impl.h b/net/http/http_pipelined_host_impl.h
index 7a5b664..e2e53c9 100644
--- a/net/http/http_pipelined_host_impl.h
+++ b/net/http/http_pipelined_host_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_IMPL_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_IMPL_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/http/http_pipelined_host_pool.h b/net/http/http_pipelined_host_pool.h
index 9f0681d..3ab9418 100644
--- a/net/http/http_pipelined_host_pool.h
+++ b/net/http/http_pipelined_host_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_POOL_H_
-#pragma once
 
 #include <map>
 
diff --git a/net/http/http_pipelined_stream.h b/net/http/http_pipelined_stream.h
index ee60ce5..c762289 100644
--- a/net/http/http_pipelined_stream.h
+++ b/net/http/http_pipelined_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PIPELINED_STREAM_H_
 #define NET_HTTP_HTTP_PIPELINED_STREAM_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_proxy_client_socket.h b/net/http/http_proxy_client_socket.h
index 97be970..d02e9ab 100644
--- a/net/http/http_proxy_client_socket.h
+++ b/net/http/http_proxy_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_H_
 #define NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_proxy_client_socket_pool.h b/net/http/http_proxy_client_socket_pool.h
index 48a4b27..f6a83ef 100644
--- a/net/http/http_proxy_client_socket_pool.h
+++ b/net/http/http_proxy_client_socket_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 #define NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_request_headers.h b/net/http/http_request_headers.h
index 675e1e0..62f931c 100644
--- a/net/http/http_request_headers.h
+++ b/net/http/http_request_headers.h
@@ -9,7 +9,6 @@
 
 #ifndef NET_HTTP_HTTP_REQUEST_HEADERS_H_
 #define NET_HTTP_HTTP_REQUEST_HEADERS_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/http/http_request_info.h b/net/http/http_request_info.h
index 77e12c5..66c920f 100644
--- a/net/http/http_request_info.h
+++ b/net/http/http_request_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_REQUEST_INFO_H__
 #define NET_HTTP_HTTP_REQUEST_INFO_H__
-#pragma once
 
 #include <string>
 #include "base/memory/ref_counted.h"
diff --git a/net/http/http_response_body_drainer.h b/net/http/http_response_body_drainer.h
index ff4d61a..adc6ce5 100644
--- a/net/http/http_response_body_drainer.h
+++ b/net/http/http_response_body_drainer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
 #define NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/http/http_response_headers.h b/net/http/http_response_headers.h
index 1490872..f6a270a 100644
--- a/net/http/http_response_headers.h
+++ b/net/http/http_response_headers.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_RESPONSE_HEADERS_H_
 #define NET_HTTP_HTTP_RESPONSE_HEADERS_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/http/http_response_info.h b/net/http/http_response_info.h
index aa212f8..f5f1c24 100644
--- a/net/http/http_response_info.h
+++ b/net/http/http_response_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_RESPONSE_INFO_H_
 #define NET_HTTP_HTTP_RESPONSE_INFO_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_status_code.h b/net/http/http_status_code.h
index 54e9bff..0ae47d6 100644
--- a/net/http/http_status_code.h
+++ b/net/http/http_status_code.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_STATUS_CODE_H_
 #define NET_HTTP_HTTP_STATUS_CODE_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/http/http_stream.h b/net/http/http_stream.h
index c343b2d..67252ac 100644
--- a/net/http/http_stream.h
+++ b/net/http/http_stream.h
@@ -12,7 +12,6 @@
 
 #ifndef NET_HTTP_HTTP_STREAM_H_
 #define NET_HTTP_HTTP_STREAM_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_stream_parser.h b/net/http/http_stream_parser.h
index 44de8d7..5ce2071 100644
--- a/net/http/http_stream_parser.h
+++ b/net/http/http_stream_parser.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_STREAM_PARSER_H_
 #define NET_HTTP_HTTP_STREAM_PARSER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/http_transaction.h b/net/http/http_transaction.h
index ab41732..b9f38b6 100644
--- a/net/http/http_transaction.h
+++ b/net/http/http_transaction.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_TRANSACTION_H_
 #define NET_HTTP_HTTP_TRANSACTION_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
diff --git a/net/http/http_transaction_factory.h b/net/http/http_transaction_factory.h
index 288911f..6d2dfe0 100644
--- a/net/http/http_transaction_factory.h
+++ b/net/http/http_transaction_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_TRANSACTION_FACTORY_H__
 #define NET_HTTP_HTTP_TRANSACTION_FACTORY_H__
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_transaction_unittest.h b/net/http/http_transaction_unittest.h
index 1e1e588..ad2aaf8 100644
--- a/net/http/http_transaction_unittest.h
+++ b/net/http/http_transaction_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_TRANSACTION_UNITTEST_H_
 #define NET_HTTP_HTTP_TRANSACTION_UNITTEST_H_
-#pragma once
 
 #include "net/http/http_transaction.h"
 
diff --git a/net/http/http_util.h b/net/http/http_util.h
index a3a7aed..0bc5687 100644
--- a/net/http/http_util.h
+++ b/net/http/http_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_UTIL_H_
 #define NET_HTTP_HTTP_UTIL_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/http/http_vary_data.h b/net/http/http_vary_data.h
index 4e7a542..ec97956 100644
--- a/net/http/http_vary_data.h
+++ b/net/http/http_vary_data.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_VARY_DATA_H_
 #define NET_HTTP_HTTP_VARY_DATA_H_
-#pragma once
 
 #include "base/md5.h"
 #include "net/base/net_export.h"
diff --git a/net/http/http_version.h b/net/http/http_version.h
index 554de21..127e711 100644
--- a/net/http/http_version.h
+++ b/net/http/http_version.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_VERSION_H_
 #define NET_HTTP_HTTP_VERSION_H_
-#pragma once
 
 #include "base/basictypes.h"
 
diff --git a/net/http/md4.h b/net/http/md4.h
index 887f15f..b416e26 100644
--- a/net/http/md4.h
+++ b/net/http/md4.h
@@ -43,7 +43,6 @@
 
 #ifndef NET_HTTP_MD4_H_
 #define NET_HTTP_MD4_H_
-#pragma once
 
 #include "base/basictypes.h"
 
diff --git a/net/http/mock_allow_url_security_manager.h b/net/http/mock_allow_url_security_manager.h
index ace9345..8fbe2c5 100644
--- a/net/http/mock_allow_url_security_manager.h
+++ b/net/http/mock_allow_url_security_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_MOCK_ALLOW_URL_SECURITY_MANAGER_H_
 #define NET_HTTP_MOCK_ALLOW_URL_SECURITY_MANAGER_H_
-#pragma once
 
 #include "net/http/url_security_manager.h"
 
diff --git a/net/http/mock_gssapi_library_posix.h b/net/http/mock_gssapi_library_posix.h
index 84eb348..659d7f1 100644
--- a/net/http/mock_gssapi_library_posix.h
+++ b/net/http/mock_gssapi_library_posix.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_MOCK_GSSAPI_LIBRARY_POSIX_H_
 #define NET_HTTP_MOCK_GSSAPI_LIBRARY_POSIX_H_
-#pragma once
 
 #include <gssapi.h>
 
diff --git a/net/http/mock_http_cache.h b/net/http/mock_http_cache.h
index 8cddc05..917aa20 100644
--- a/net/http/mock_http_cache.h
+++ b/net/http/mock_http_cache.h
@@ -9,7 +9,6 @@
 
 #ifndef NET_HTTP_MOCK_HTTP_CACHE_H_
 #define NET_HTTP_MOCK_HTTP_CACHE_H_
-#pragma once
 
 #include "base/hash_tables.h"
 #include "net/disk_cache/disk_cache.h"
diff --git a/net/http/mock_sspi_library_win.h b/net/http/mock_sspi_library_win.h
index 9d673b4..eca3eb5 100644
--- a/net/http/mock_sspi_library_win.h
+++ b/net/http/mock_sspi_library_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_MOCK_SSPI_LIBRARY_WIN_H_
 #define NET_HTTP_MOCK_SSPI_LIBRARY_WIN_H_
-#pragma once
 
 #include <list>
 #include <set>
diff --git a/net/http/partial_data.h b/net/http/partial_data.h
index 442bbb7..45bda39 100644
--- a/net/http/partial_data.h
+++ b/net/http/partial_data.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_PARTIAL_DATA_H_
 #define NET_HTTP_PARTIAL_DATA_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/completion_callback.h"
diff --git a/net/http/proxy_client_socket.h b/net/http/proxy_client_socket.h
index 7a17a01..c9b03f38 100644
--- a/net/http/proxy_client_socket.h
+++ b/net/http/proxy_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_PROXY_CLIENT_SOCKET_H_
 #define NET_HTTP_PROXY_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/http/url_security_manager.h b/net/http/url_security_manager.h
index e95acb3..4015fc2 100644
--- a/net/http/url_security_manager.h
+++ b/net/http/url_security_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_URL_SECURITY_MANAGER_H_
 #define NET_HTTP_URL_SECURITY_MANAGER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/ocsp/nss_ocsp.h b/net/ocsp/nss_ocsp.h
index d56dd26..b8dfb52 100644
--- a/net/ocsp/nss_ocsp.h
+++ b/net/ocsp/nss_ocsp.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_OCSP_NSS_OCSP_H_
 #define NET_OCSP_NSS_OCSP_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/proxy/dhcp_proxy_script_adapter_fetcher_win.h b/net/proxy/dhcp_proxy_script_adapter_fetcher_win.h
index 554f528..913e271 100644
--- a/net/proxy/dhcp_proxy_script_adapter_fetcher_win.h
+++ b/net/proxy/dhcp_proxy_script_adapter_fetcher_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_DHCP_PROXY_SCRIPT_ADAPTER_FETCHER_WIN_H_
 #define NET_PROXY_DHCP_PROXY_SCRIPT_ADAPTER_FETCHER_WIN_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/dhcp_proxy_script_fetcher.h b/net/proxy/dhcp_proxy_script_fetcher.h
index df67662..3130d7b 100644
--- a/net/proxy/dhcp_proxy_script_fetcher.h
+++ b/net/proxy/dhcp_proxy_script_fetcher.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_DHCP_SCRIPT_FETCHER_H_
 #define NET_PROXY_DHCP_SCRIPT_FETCHER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/proxy/dhcp_proxy_script_fetcher_factory.h b/net/proxy/dhcp_proxy_script_fetcher_factory.h
index 4301768..147435d 100644
--- a/net/proxy/dhcp_proxy_script_fetcher_factory.h
+++ b/net/proxy/dhcp_proxy_script_fetcher_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_DHCP_SCRIPT_FETCHER_FACTORY_H_
 #define NET_PROXY_DHCP_SCRIPT_FETCHER_FACTORY_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
diff --git a/net/proxy/dhcp_proxy_script_fetcher_win.h b/net/proxy/dhcp_proxy_script_fetcher_win.h
index 6c93a7b..e123dfc 100644
--- a/net/proxy/dhcp_proxy_script_fetcher_win.h
+++ b/net/proxy/dhcp_proxy_script_fetcher_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_DHCP_PROXY_SCRIPT_FETCHER_WIN_H_
 #define NET_PROXY_DHCP_PROXY_SCRIPT_FETCHER_WIN_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/net/proxy/dhcpcsvc_init_win.h b/net/proxy/dhcpcsvc_init_win.h
index 9c557d0..39bdf24 100644
--- a/net/proxy/dhcpcsvc_init_win.h
+++ b/net/proxy/dhcpcsvc_init_win.h
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 #ifndef NET_PROXY_DHCPCSVC_INIT_WIN_H
 #define NET_PROXY_DHCPCSVC_INIT_WIN_H
-#pragma once
 
 namespace net {
 
diff --git a/net/proxy/mock_proxy_resolver.h b/net/proxy/mock_proxy_resolver.h
index 7dabea5..e68e42b 100644
--- a/net/proxy/mock_proxy_resolver.h
+++ b/net/proxy/mock_proxy_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_MOCK_PROXY_RESOLVER_H_
 #define NET_PROXY_MOCK_PROXY_RESOLVER_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/proxy/mock_proxy_script_fetcher.h b/net/proxy/mock_proxy_script_fetcher.h
index a1b59f5..12b963f 100644
--- a/net/proxy/mock_proxy_script_fetcher.h
+++ b/net/proxy/mock_proxy_script_fetcher.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_MOCK_PROXY_SCRIPT_FETCHER_H_
 #define NET_PROXY_MOCK_PROXY_SCRIPT_FETCHER_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "googleurl/src/gurl.h"
diff --git a/net/proxy/multi_threaded_proxy_resolver.h b/net/proxy/multi_threaded_proxy_resolver.h
index 73c3aba..82a06f5 100644
--- a/net/proxy/multi_threaded_proxy_resolver.h
+++ b/net/proxy/multi_threaded_proxy_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_MULTI_THREADED_PROXY_RESOLVER_H_
 #define NET_PROXY_MULTI_THREADED_PROXY_RESOLVER_H_
-#pragma once
 
 #include <deque>
 #include <vector>
diff --git a/net/proxy/network_delegate_error_observer.h b/net/proxy/network_delegate_error_observer.h
index 517cddf..5e691f7 100644
--- a/net/proxy/network_delegate_error_observer.h
+++ b/net/proxy/network_delegate_error_observer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_NETWORK_DELEGATE_ERROR_OBSERVER_H_
 #define NET_PROXY_NETWORK_DELEGATE_ERROR_OBSERVER_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/proxy/polling_proxy_config_service.h b/net/proxy/polling_proxy_config_service.h
index dd59d8f..2792f24 100644
--- a/net/proxy/polling_proxy_config_service.h
+++ b/net/proxy/polling_proxy_config_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_POLLING_PROXY_CONFIG_SERVICE_H_
 #define NET_PROXY_POLLING_PROXY_CONFIG_SERVICE_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/proxy/proxy_bypass_rules.h b/net/proxy/proxy_bypass_rules.h
index 814b70f..cfaacf0 100644
--- a/net/proxy/proxy_bypass_rules.h
+++ b/net/proxy/proxy_bypass_rules.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_BYPASS_RULES_H_
 #define NET_PROXY_PROXY_BYPASS_RULES_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/proxy/proxy_config.h b/net/proxy/proxy_config.h
index 4b1293d..29619df 100644
--- a/net/proxy/proxy_config.h
+++ b/net/proxy/proxy_config.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_H_
 #define NET_PROXY_PROXY_CONFIG_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/proxy_config_service.h b/net/proxy/proxy_config_service.h
index 6ec3334..5e14995 100644
--- a/net/proxy/proxy_config_service.h
+++ b/net/proxy/proxy_config_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/proxy/proxy_config_service_android.h b/net/proxy/proxy_config_service_android.h
index 30ebd11..400864e 100644
--- a/net/proxy/proxy_config_service_android.h
+++ b/net/proxy/proxy_config_service_android.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_ANDROID_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_ANDROID_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/proxy_config_service_common_unittest.h b/net/proxy/proxy_config_service_common_unittest.h
index 724e1de..dbacbab 100644
--- a/net/proxy/proxy_config_service_common_unittest.h
+++ b/net/proxy/proxy_config_service_common_unittest.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_COMMON_UNITTEST_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_COMMON_UNITTEST_H_
-#pragma once
 
 #include "net/proxy/proxy_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
diff --git a/net/proxy/proxy_config_service_fixed.h b/net/proxy/proxy_config_service_fixed.h
index 94c3297..b5f30e3 100644
--- a/net/proxy/proxy_config_service_fixed.h
+++ b/net/proxy/proxy_config_service_fixed.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_FIXED_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_FIXED_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/net_errors.h"
diff --git a/net/proxy/proxy_config_service_linux.h b/net/proxy/proxy_config_service_linux.h
index 290fe3c..8d46d99 100644
--- a/net/proxy/proxy_config_service_linux.h
+++ b/net/proxy/proxy_config_service_linux.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_LINUX_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_LINUX_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/proxy/proxy_config_service_mac.h b/net/proxy/proxy_config_service_mac.h
index 8e9e59c..212ad58 100644
--- a/net/proxy/proxy_config_service_mac.h
+++ b/net/proxy/proxy_config_service_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/proxy/proxy_config_service_win.h b/net/proxy/proxy_config_service_win.h
index 398e17f..aa91b68 100644
--- a/net/proxy/proxy_config_service_win.h
+++ b/net/proxy/proxy_config_service_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_
 #define NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_
-#pragma once
 
 #include <windows.h>
 #include <winhttp.h>
diff --git a/net/proxy/proxy_config_source.h b/net/proxy/proxy_config_source.h
index efa583e..a7e375a 100644
--- a/net/proxy/proxy_config_source.h
+++ b/net/proxy/proxy_config_source.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_CONFIG_SOURCE_H_
 #define NET_PROXY_PROXY_CONFIG_SOURCE_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/proxy/proxy_info.h b/net/proxy/proxy_info.h
index 1c4c0a9..e02ba8b2 100644
--- a/net/proxy/proxy_info.h
+++ b/net/proxy/proxy_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_INFO_H_
 #define NET_PROXY_PROXY_INFO_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/proxy_list.h b/net/proxy/proxy_list.h
index f090833..045b7b4 100644
--- a/net/proxy/proxy_list.h
+++ b/net/proxy/proxy_list.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_LIST_H_
 #define NET_PROXY_PROXY_LIST_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/proxy/proxy_resolver.h b/net/proxy/proxy_resolver.h
index 1774558..6b63407 100644
--- a/net/proxy/proxy_resolver.h
+++ b/net/proxy/proxy_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_H_
 #define NET_PROXY_PROXY_RESOLVER_H_
-#pragma once
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/proxy/proxy_resolver_error_observer.h b/net/proxy/proxy_resolver_error_observer.h
index fb6bcb2..9176c2f 100644
--- a/net/proxy/proxy_resolver_error_observer.h
+++ b/net/proxy/proxy_resolver_error_observer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_
 #define NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/string16.h"
diff --git a/net/proxy/proxy_resolver_js_bindings.h b/net/proxy/proxy_resolver_js_bindings.h
index a503306..f201707 100644
--- a/net/proxy/proxy_resolver_js_bindings.h
+++ b/net/proxy/proxy_resolver_js_bindings.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_JS_BINDINGS_H_
 #define NET_PROXY_PROXY_RESOLVER_JS_BINDINGS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/proxy_resolver_mac.h b/net/proxy/proxy_resolver_mac.h
index c62ad33..2aafce2 100644
--- a/net/proxy/proxy_resolver_mac.h
+++ b/net/proxy/proxy_resolver_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_MAC_H_
 #define NET_PROXY_PROXY_RESOLVER_MAC_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "googleurl/src/gurl.h"
diff --git a/net/proxy/proxy_resolver_request_context.h b/net/proxy/proxy_resolver_request_context.h
index 4d1b372..fdcced1 100644
--- a/net/proxy/proxy_resolver_request_context.h
+++ b/net/proxy/proxy_resolver_request_context.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_REQUEST_CONTEXT_H_
 #define NET_PROXY_PROXY_RESOLVER_REQUEST_CONTEXT_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/proxy/proxy_resolver_script.h b/net/proxy/proxy_resolver_script.h
index fa80798..283eff9 100644
--- a/net/proxy/proxy_resolver_script.h
+++ b/net/proxy/proxy_resolver_script.h
@@ -39,7 +39,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_SCRIPT_H_
 #define NET_PROXY_PROXY_RESOLVER_SCRIPT_H_
-#pragma once
 
 // The following code was formatted from:
 //   'mozilla/netwerk/base/src/nsProxyAutoConfig.js' (1.55)
diff --git a/net/proxy/proxy_resolver_script_data.h b/net/proxy/proxy_resolver_script_data.h
index 751b0e2..1bfcc1a 100644
--- a/net/proxy/proxy_resolver_script_data.h
+++ b/net/proxy/proxy_resolver_script_data.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_SCRIPT_DATA_H_
 #define NET_PROXY_PROXY_RESOLVER_SCRIPT_DATA_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
diff --git a/net/proxy/proxy_resolver_v8.h b/net/proxy/proxy_resolver_v8.h
index a74f369..c00bb8a 100644
--- a/net/proxy/proxy_resolver_v8.h
+++ b/net/proxy/proxy_resolver_v8.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_V8_H_
 #define NET_PROXY_PROXY_RESOLVER_V8_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/proxy/proxy_resolver_winhttp.h b/net/proxy/proxy_resolver_winhttp.h
index f99ce02..e92827a 100644
--- a/net/proxy/proxy_resolver_winhttp.h
+++ b/net/proxy/proxy_resolver_winhttp.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
 #define NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "googleurl/src/gurl.h"
diff --git a/net/proxy/proxy_retry_info.h b/net/proxy/proxy_retry_info.h
index 2206718..c5ac782 100644
--- a/net/proxy/proxy_retry_info.h
+++ b/net/proxy/proxy_retry_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_RETRY_INFO_H_
 #define NET_PROXY_PROXY_RETRY_INFO_H_
-#pragma once
 
 #include <map>
 
diff --git a/net/proxy/proxy_script_decider.h b/net/proxy/proxy_script_decider.h
index ae393cd..a000c88 100644
--- a/net/proxy/proxy_script_decider.h
+++ b/net/proxy/proxy_script_decider.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_SCRIPT_DECIDER_H_
 #define NET_PROXY_PROXY_SCRIPT_DECIDER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/proxy/proxy_script_fetcher.h b/net/proxy/proxy_script_fetcher.h
index efcd371..b472fd8 100644
--- a/net/proxy/proxy_script_fetcher.h
+++ b/net/proxy/proxy_script_fetcher.h
@@ -8,7 +8,6 @@
 
 #ifndef NET_PROXY_PROXY_SCRIPT_FETCHER_H_
 #define NET_PROXY_PROXY_SCRIPT_FETCHER_H_
-#pragma once
 
 #include "base/string16.h"
 #include "net/base/completion_callback.h"
diff --git a/net/proxy/proxy_script_fetcher_impl.h b/net/proxy/proxy_script_fetcher_impl.h
index 119ace1..7ce4d35b 100644
--- a/net/proxy/proxy_script_fetcher_impl.h
+++ b/net/proxy/proxy_script_fetcher_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_SCRIPT_FETCHER_IMPL_H_
 #define NET_PROXY_PROXY_SCRIPT_FETCHER_IMPL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/proxy/proxy_server.h b/net/proxy/proxy_server.h
index 1ec2849..00cc9fd 100644
--- a/net/proxy/proxy_server.h
+++ b/net/proxy/proxy_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_SERVER_H_
 #define NET_PROXY_PROXY_SERVER_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/proxy/proxy_service.h b/net/proxy/proxy_service.h
index 31d00be..7ba1c13 100644
--- a/net/proxy/proxy_service.h
+++ b/net/proxy/proxy_service.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_PROXY_SERVICE_H_
 #define NET_PROXY_PROXY_SERVICE_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/proxy/sync_host_resolver.h b/net/proxy/sync_host_resolver.h
index 4a1f780..153dfad 100644
--- a/net/proxy/sync_host_resolver.h
+++ b/net/proxy/sync_host_resolver.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_SYNC_HOST_RESOLVER_H_
 #define NET_PROXY_SYNC_HOST_RESOLVER_H_
-#pragma once
 
 #include "net/base/host_resolver.h"
 #include "net/base/net_export.h"
diff --git a/net/proxy/sync_host_resolver_bridge.h b/net/proxy/sync_host_resolver_bridge.h
index 2d8d4cf..1de67b5 100644
--- a/net/proxy/sync_host_resolver_bridge.h
+++ b/net/proxy/sync_host_resolver_bridge.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_PROXY_SYNC_HOST_RESOLVER_BRIDGE_H_
 #define NET_PROXY_SYNC_HOST_RESOLVER_BRIDGE_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/server/http_connection.h b/net/server/http_connection.h
index 74cdcab..c3c573a 100644
--- a/net/server/http_connection.h
+++ b/net/server/http_connection.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SERVER_HTTP_CONNECTION_H_
 #define NET_SERVER_HTTP_CONNECTION_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/server/http_server.h b/net/server/http_server.h
index 011837d..d9404c4 100644
--- a/net/server/http_server.h
+++ b/net/server/http_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SERVER_HTTP_SERVER_H_
 #define NET_SERVER_HTTP_SERVER_H_
-#pragma once
 
 #include <list>
 #include <map>
diff --git a/net/server/http_server_request_info.h b/net/server/http_server_request_info.h
index 4c08c1f..9fa7f91 100644
--- a/net/server/http_server_request_info.h
+++ b/net/server/http_server_request_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SERVER_HTTP_SERVER_REQUEST_INFO_H_
 #define NET_SERVER_HTTP_SERVER_REQUEST_INFO_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/server/web_socket.h b/net/server/web_socket.h
index a4221e4..7b05831 100644
--- a/net/server/web_socket.h
+++ b/net/server/web_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SERVER_WEB_SOCKET_H_
 #define NET_SERVER_WEB_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/buffered_write_stream_socket.h b/net/socket/buffered_write_stream_socket.h
index 879f5dd..6d41c07 100644
--- a/net/socket/buffered_write_stream_socket.h
+++ b/net/socket/buffered_write_stream_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_BUFFERED_WRITE_STREAM_SOCKET_H_
 #define NET_SOCKET_BUFFERED_WRITE_STREAM_SOCKET_H_
-#pragma once
 
 #include "base/memory/weak_ptr.h"
 #include "net/base/net_log.h"
diff --git a/net/socket/client_socket_factory.h b/net/socket/client_socket_factory.h
index ad14c1d..a4e778c 100644
--- a/net/socket/client_socket_factory.h
+++ b/net/socket/client_socket_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_FACTORY_H_
 #define NET_SOCKET_CLIENT_SOCKET_FACTORY_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/client_socket_handle.h b/net/socket/client_socket_handle.h
index e2ac23f..8da5d49 100644
--- a/net/socket/client_socket_handle.h
+++ b/net/socket/client_socket_handle.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_HANDLE_H_
 #define NET_SOCKET_CLIENT_SOCKET_HANDLE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/client_socket_pool.h b/net/socket/client_socket_pool.h
index 1c03ecf..1d2246c 100644
--- a/net/socket/client_socket_pool.h
+++ b/net/socket/client_socket_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_H_
-#pragma once
 
 #include <deque>
 #include <string>
diff --git a/net/socket/client_socket_pool_base.h b/net/socket/client_socket_pool_base.h
index 0775dc59..834835a 100644
--- a/net/socket/client_socket_pool_base.h
+++ b/net/socket/client_socket_pool_base.h
@@ -21,7 +21,6 @@
 //
 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_
-#pragma once
 
 #include <deque>
 #include <list>
diff --git a/net/socket/client_socket_pool_histograms.h b/net/socket/client_socket_pool_histograms.h
index 352ee48..0049afa 100644
--- a/net/socket/client_socket_pool_histograms.h
+++ b/net/socket/client_socket_pool_histograms.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_HISTOGRAMS_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_HISTOGRAMS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/client_socket_pool_manager.h b/net/socket/client_socket_pool_manager.h
index 31f1f32..69d77e4 100644
--- a/net/socket/client_socket_pool_manager.h
+++ b/net/socket/client_socket_pool_manager.h
@@ -8,7 +8,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_MANAGER_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_MANAGER_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
diff --git a/net/socket/client_socket_pool_manager_impl.h b/net/socket/client_socket_pool_manager_impl.h
index b51b830..a3bb9a1 100644
--- a/net/socket/client_socket_pool_manager_impl.h
+++ b/net/socket/client_socket_pool_manager_impl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_MANAGER_IMPL_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_MANAGER_IMPL_H_
-#pragma once
 
 #include <map>
 #include "base/basictypes.h"
diff --git a/net/socket/mock_client_socket_pool_manager.h b/net/socket/mock_client_socket_pool_manager.h
index cf8eceb..5db6506 100644
--- a/net/socket/mock_client_socket_pool_manager.h
+++ b/net/socket/mock_client_socket_pool_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_MOCK_CLIENT_SOCKET_POOL_MANAGER_H_
 #define NET_SOCKET_MOCK_CLIENT_SOCKET_POOL_MANAGER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/socket/client_socket_pool_manager.h"
diff --git a/net/socket/next_proto.h b/net/socket/next_proto.h
index df49e84..3337274 100644
--- a/net/socket/next_proto.h
+++ b/net/socket/next_proto.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_NEXT_PROTO_H_
 #define NET_SOCKET_NEXT_PROTO_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/socket/socket.h b/net/socket/socket.h
index 2f1fe50..fccb258 100644
--- a/net/socket/socket.h
+++ b/net/socket/socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKET_H_
 #define NET_SOCKET_SOCKET_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
diff --git a/net/socket/socket_net_log_params.h b/net/socket/socket_net_log_params.h
index b08a3a4..f5fe652 100644
--- a/net/socket/socket_net_log_params.h
+++ b/net/socket/socket_net_log_params.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKET_NET_LOG_PARAMS_H_
 #define NET_SOCKET_SOCKET_NET_LOG_PARAMS_H_
-#pragma once
 
 #include "net/base/net_log.h"
 #include "net/base/sys_addrinfo.h"
diff --git a/net/socket/socket_test_util.h b/net/socket/socket_test_util.h
index 2638afe..c40ec4e 100644
--- a/net/socket/socket_test_util.h
+++ b/net/socket/socket_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKET_TEST_UTIL_H_
 #define NET_SOCKET_SOCKET_TEST_UTIL_H_
-#pragma once
 
 #include <cstring>
 #include <deque>
diff --git a/net/socket/socks5_client_socket.h b/net/socket/socks5_client_socket.h
index e91ef96..fa76be2 100644
--- a/net/socket/socks5_client_socket.h
+++ b/net/socket/socks5_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKS5_CLIENT_SOCKET_H_
 #define NET_SOCKET_SOCKS5_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/socks_client_socket.h b/net/socket/socks_client_socket.h
index 505dc29..3f0a086 100644
--- a/net/socket/socks_client_socket.h
+++ b/net/socket/socks_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKS_CLIENT_SOCKET_H_
 #define NET_SOCKET_SOCKS_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/socks_client_socket_pool.h b/net/socket/socks_client_socket_pool.h
index 8583d96..090c29f 100644
--- a/net/socket/socks_client_socket_pool.h
+++ b/net/socket/socks_client_socket_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SOCKS_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_SOCKS_CLIENT_SOCKET_POOL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/ssl_client_socket.h b/net/socket/ssl_client_socket.h
index 61986be..6748e6e 100644
--- a/net/socket/ssl_client_socket.h
+++ b/net/socket/ssl_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/ssl_client_socket_mac.h b/net/socket/ssl_client_socket_mac.h
index 363c903..f923f3a 100644
--- a/net/socket/ssl_client_socket_mac.h
+++ b/net/socket/ssl_client_socket_mac.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_MAC_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_MAC_H_
-#pragma once
 
 #include <Security/Security.h>
 
diff --git a/net/socket/ssl_client_socket_nss.h b/net/socket/ssl_client_socket_nss.h
index 12c9186..79a72fe 100644
--- a/net/socket/ssl_client_socket_nss.h
+++ b/net/socket/ssl_client_socket_nss.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_
-#pragma once
 
 #include <certt.h>
 #include <keyt.h>
diff --git a/net/socket/ssl_client_socket_openssl.h b/net/socket/ssl_client_socket_openssl.h
index c8981ed..129d30e 100644
--- a/net/socket/ssl_client_socket_openssl.h
+++ b/net/socket/ssl_client_socket_openssl.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/ssl_client_socket_pool.h b/net/socket/ssl_client_socket_pool.h
index d84af8c..4948cf5 100644
--- a/net/socket/ssl_client_socket_pool.h
+++ b/net/socket/ssl_client_socket_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_POOL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket/ssl_client_socket_win.h b/net/socket/ssl_client_socket_win.h
index a215384..9013a9e 100644
--- a/net/socket/ssl_client_socket_win.h
+++ b/net/socket/ssl_client_socket_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_WIN_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_WIN_H_
-#pragma once
 
 #define SECURITY_WIN32  // Needs to be defined before including security.h
 
diff --git a/net/socket/ssl_error_params.h b/net/socket/ssl_error_params.h
index ad26e56..07a1c4d9 100644
--- a/net/socket/ssl_error_params.h
+++ b/net/socket/ssl_error_params.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_ERROR_PARAMS_H_
 #define NET_SOCKET_SSL_ERROR_PARAMS_H_
-#pragma once
 
 #include "net/base/net_log.h"
 
diff --git a/net/socket/ssl_server_socket_nss.h b/net/socket/ssl_server_socket_nss.h
index b2fcb2c..e7da5ac 100644
--- a/net/socket/ssl_server_socket_nss.h
+++ b/net/socket/ssl_server_socket_nss.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_SSL_SERVER_SOCKET_NSS_H_
 #define NET_SOCKET_SSL_SERVER_SOCKET_NSS_H_
-#pragma once
 
 #include <certt.h>
 #include <keyt.h>
diff --git a/net/socket/stream_socket.h b/net/socket/stream_socket.h
index cc3c19e..a513099 100644
--- a/net/socket/stream_socket.h
+++ b/net/socket/stream_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_STREAM_SOCKET_H_
 #define NET_SOCKET_STREAM_SOCKET_H_
-#pragma once
 
 #include "base/time.h"
 #include "net/base/net_log.h"
diff --git a/net/socket/tcp_client_socket.h b/net/socket/tcp_client_socket.h
index dd72721..e8a37d7 100644
--- a/net/socket/tcp_client_socket.h
+++ b/net/socket/tcp_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_TCP_CLIENT_SOCKET_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_H_
-#pragma once
 
 #include "build/build_config.h"
 #include "net/base/net_export.h"
diff --git a/net/socket/tcp_client_socket_libevent.h b/net/socket/tcp_client_socket_libevent.h
index 5441f5a..653ffe3 100644
--- a/net/socket/tcp_client_socket_libevent.h
+++ b/net/socket/tcp_client_socket_libevent.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/socket/tcp_client_socket_win.h b/net/socket/tcp_client_socket_win.h
index 4ca5e30..1ca957f 100644
--- a/net/socket/tcp_client_socket_win.h
+++ b/net/socket/tcp_client_socket_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_TCP_CLIENT_SOCKET_WIN_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_WIN_H_
-#pragma once
 
 #include <winsock2.h>
 
diff --git a/net/socket/transport_client_socket_pool.h b/net/socket/transport_client_socket_pool.h
index 06e669d..7764b88 100644
--- a/net/socket/transport_client_socket_pool.h
+++ b/net/socket/transport_client_socket_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_TRANSPORT_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_TRANSPORT_CLIENT_SOCKET_POOL_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket_stream/socket_stream.h b/net/socket_stream/socket_stream.h
index 9d22fde..2bc0ebe 100644
--- a/net/socket_stream/socket_stream.h
+++ b/net/socket_stream/socket_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_STREAM_SOCKET_STREAM_H_
 #define NET_SOCKET_STREAM_SOCKET_STREAM_H_
-#pragma once
 
 #include <deque>
 #include <map>
diff --git a/net/socket_stream/socket_stream_job.h b/net/socket_stream/socket_stream_job.h
index 00510b2..7c97aab 100644
--- a/net/socket_stream/socket_stream_job.h
+++ b/net/socket_stream/socket_stream_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_STREAM_SOCKET_STREAM_JOB_H_
 #define NET_SOCKET_STREAM_SOCKET_STREAM_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/socket_stream/socket_stream_job_manager.h b/net/socket_stream/socket_stream_job_manager.h
index c9050f6..aa0cd40 100644
--- a/net/socket_stream/socket_stream_job_manager.h
+++ b/net/socket_stream/socket_stream_job_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_STREAM_SOCKET_STREAM_JOB_MANAGER_H_
 #define NET_SOCKET_STREAM_SOCKET_STREAM_JOB_MANAGER_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/socket_stream/socket_stream_metrics.h b/net/socket_stream/socket_stream_metrics.h
index 252a9ea..731c529 100644
--- a/net/socket_stream/socket_stream_metrics.h
+++ b/net/socket_stream/socket_stream_metrics.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_SOCKET_STREAM_SOCKET_STREAM_METRICS_H_
 #define NET_SOCKET_STREAM_SOCKET_STREAM_METRICS_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/time.h"
diff --git a/net/spdy/buffered_spdy_framer.h b/net/spdy/buffered_spdy_framer.h
index f47c41d..c4f455b 100644
--- a/net/spdy/buffered_spdy_framer.h
+++ b/net/spdy/buffered_spdy_framer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_BUFFERED_SPDY_FRAMER_H_
 #define NET_SPDY_BUFFERED_SPDY_FRAMER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/spdy/spdy_bitmasks.h b/net/spdy/spdy_bitmasks.h
index 1da062ec..72fb948 100644
--- a/net/spdy/spdy_bitmasks.h
+++ b/net/spdy/spdy_bitmasks.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_BITMASKS_H_
 #define NET_SPDY_SPDY_BITMASKS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/spdy/spdy_credential_state.h b/net/spdy/spdy_credential_state.h
index 545e6ab..1460eac 100644
--- a/net/spdy/spdy_credential_state.h
+++ b/net/spdy/spdy_credential_state.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_CREDENTIAL_STATE_H_
 #define NET_SPDY_SPDY_CREDENTIAL_STATE_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/spdy/spdy_frame_builder.h b/net/spdy/spdy_frame_builder.h
index c5467e9..affdbe4 100644
--- a/net/spdy/spdy_frame_builder.h
+++ b/net/spdy/spdy_frame_builder.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_FRAME_BUILDER_H_
 #define NET_SPDY_SPDY_FRAME_BUILDER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/spdy/spdy_frame_reader.h b/net/spdy/spdy_frame_reader.h
index adcdd35f..6db7a08 100644
--- a/net/spdy/spdy_frame_reader.h
+++ b/net/spdy/spdy_frame_reader.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_FRAME_READER_H_
 #define NET_SPDY_SPDY_FRAME_READER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/string_piece.h"
diff --git a/net/spdy/spdy_framer.h b/net/spdy/spdy_framer.h
index 91b0dd1..2e53a87 100644
--- a/net/spdy/spdy_framer.h
+++ b/net/spdy/spdy_framer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
-#pragma once
 
 #include <list>
 #include <map>
diff --git a/net/spdy/spdy_http_stream.h b/net/spdy/spdy_http_stream.h
index abab9bf..990e14a 100644
--- a/net/spdy/spdy_http_stream.h
+++ b/net/spdy/spdy_http_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_HTTP_STREAM_H_
 #define NET_SPDY_SPDY_HTTP_STREAM_H_
-#pragma once
 
 #include <list>
 #include <string>
diff --git a/net/spdy/spdy_http_utils.h b/net/spdy/spdy_http_utils.h
index 3dc8263..314ead0 100644
--- a/net/spdy/spdy_http_utils.h
+++ b/net/spdy/spdy_http_utils.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_HTTP_UTILS_H_
 #define NET_SPDY_SPDY_HTTP_UTILS_H_
-#pragma once
 
 #include "googleurl/src/gurl.h"
 #include "net/base/net_export.h"
diff --git a/net/spdy/spdy_io_buffer.h b/net/spdy/spdy_io_buffer.h
index 0aaced3..e4033c2 100644
--- a/net/spdy/spdy_io_buffer.h
+++ b/net/spdy/spdy_io_buffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_IO_BUFFER_H_
 #define NET_SPDY_SPDY_IO_BUFFER_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "net/base/io_buffer.h"
diff --git a/net/spdy/spdy_protocol.h b/net/spdy/spdy_protocol.h
index 0a0a7ce..7f2521c 100644
--- a/net/spdy/spdy_protocol.h
+++ b/net/spdy/spdy_protocol.h
@@ -6,7 +6,6 @@
 
 #ifndef NET_SPDY_SPDY_PROTOCOL_H_
 #define NET_SPDY_SPDY_PROTOCOL_H_
-#pragma once
 
 #include <limits>
 
diff --git a/net/spdy/spdy_proxy_client_socket.h b/net/spdy/spdy_proxy_client_socket.h
index 9c6333c..a9fd53c 100644
--- a/net/spdy/spdy_proxy_client_socket.h
+++ b/net/spdy/spdy_proxy_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_PROXY_CLIENT_SOCKET_H_
 #define NET_SPDY_SPDY_PROXY_CLIENT_SOCKET_H_
-#pragma once
 
 #include <string>
 #include <list>
diff --git a/net/spdy/spdy_session.h b/net/spdy/spdy_session.h
index fa7b018..2c57f72 100644
--- a/net/spdy/spdy_session.h
+++ b/net/spdy/spdy_session.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
-#pragma once
 
 #include <algorithm>
 #include <list>
diff --git a/net/spdy/spdy_session_pool.h b/net/spdy/spdy_session_pool.h
index 05154f5..ec9a74f 100644
--- a/net/spdy/spdy_session_pool.h
+++ b/net/spdy/spdy_session_pool.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_SESSION_POOL_H_
 #define NET_SPDY_SPDY_SESSION_POOL_H_
-#pragma once
 
 #include <map>
 #include <list>
diff --git a/net/spdy/spdy_stream.h b/net/spdy/spdy_stream.h
index dddc0e7..e3baa4b 100644
--- a/net/spdy/spdy_stream.h
+++ b/net/spdy/spdy_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_STREAM_H_
 #define NET_SPDY_SPDY_STREAM_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/spdy/spdy_test_util_spdy2.h b/net/spdy/spdy_test_util_spdy2.h
index 0f84a9e..584cc49 100644
--- a/net/spdy/spdy_test_util_spdy2.h
+++ b/net/spdy/spdy_test_util_spdy2.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_TEST_UTIL_H_
 #define NET_SPDY_SPDY_TEST_UTIL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/cert_verifier.h"
diff --git a/net/spdy/spdy_test_util_spdy3.h b/net/spdy/spdy_test_util_spdy3.h
index a7ec1b4..5b7b56a 100644
--- a/net/spdy/spdy_test_util_spdy3.h
+++ b/net/spdy/spdy_test_util_spdy3.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_TEST_UTIL_H_
 #define NET_SPDY_SPDY_TEST_UTIL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/base/cert_verifier.h"
diff --git a/net/spdy/spdy_websocket_stream.h b/net/spdy/spdy_websocket_stream.h
index d8d85da..fd243aa 100644
--- a/net/spdy/spdy_websocket_stream.h
+++ b/net/spdy/spdy_websocket_stream.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_WEBSOCKET_STREAM_H_
 #define NET_SPDY_SPDY_WEBSOCKET_STREAM_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
diff --git a/net/spdy/spdy_websocket_test_util_spdy2.h b/net/spdy/spdy_websocket_test_util_spdy2.h
index 29ea748..fba1a1f 100644
--- a/net/spdy/spdy_websocket_test_util_spdy2.h
+++ b/net/spdy/spdy_websocket_test_util_spdy2.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_WEBSOCKET_TEST_UTIL_H_
 #define NET_SPDY_SPDY_WEBSOCKET_TEST_UTIL_H_
-#pragma once
 
 #include "net/base/request_priority.h"
 #include "net/spdy/spdy_protocol.h"
diff --git a/net/spdy/spdy_websocket_test_util_spdy3.h b/net/spdy/spdy_websocket_test_util_spdy3.h
index 2054c48..88c682c 100644
--- a/net/spdy/spdy_websocket_test_util_spdy3.h
+++ b/net/spdy/spdy_websocket_test_util_spdy3.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SPDY_SPDY_WEBSOCKET_TEST_UTIL_H_
 #define NET_SPDY_SPDY_WEBSOCKET_TEST_UTIL_H_
-#pragma once
 
 #include "net/base/request_priority.h"
 #include "net/spdy/spdy_protocol.h"
diff --git a/net/test/base_test_server.h b/net/test/base_test_server.h
index 901c0bc..3547465 100644
--- a/net/test/base_test_server.h
+++ b/net/test/base_test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_BASE_TEST_SERVER_H_
 #define NET_TEST_BASE_TEST_SERVER_H_
-#pragma once
 
 #include <string>
 #include <utility>
diff --git a/net/test/local_sync_test_server.h b/net/test/local_sync_test_server.h
index 839fd1e..fbd5f9d 100644
--- a/net/test/local_sync_test_server.h
+++ b/net/test/local_sync_test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_LOCAL_SYNC_TEST_SERVER_H_
 #define NET_TEST_LOCAL_SYNC_TEST_SERVER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/test/local_test_server.h b/net/test/local_test_server.h
index 6aa1990..99aa448 100644
--- a/net/test/local_test_server.h
+++ b/net/test/local_test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_LOCAL_TEST_SERVER_H_
 #define NET_TEST_LOCAL_TEST_SERVER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/test/python_utils.h b/net/test/python_utils.h
index bc3bdb1..583fb27 100644
--- a/net/test/python_utils.h
+++ b/net/test/python_utils.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_PYTHON_UTILS_H_
 #define NET_TEST_PYTHON_UTILS_H_
-#pragma once
 
 #include "base/compiler_specific.h"
 
diff --git a/net/test/remote_test_server.h b/net/test/remote_test_server.h
index 623ecdd..b617bab 100644
--- a/net/test/remote_test_server.h
+++ b/net/test/remote_test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_REMOTE_TEST_SERVER_H_
 #define NET_TEST_REMOTE_TEST_SERVER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/test/spawner_communicator.h b/net/test/spawner_communicator.h
index 6e98684..4b4fbaf 100644
--- a/net/test/spawner_communicator.h
+++ b/net/test/spawner_communicator.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_SPAWNER_COMMUNICATOR_H_
 #define NET_TEST_SPAWNER_COMMUNICATOR_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/test/test_server.h b/net/test/test_server.h
index a3e0da0..d005d8c 100644
--- a/net/test/test_server.h
+++ b/net/test/test_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TEST_TEST_SERVER_H_
 #define NET_TEST_TEST_SERVER_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/tools/dump_cache/cache_dumper.h b/net/tools/dump_cache/cache_dumper.h
index 940500c..1c0c7c2 100644
--- a/net/tools/dump_cache/cache_dumper.h
+++ b/net/tools/dump_cache/cache_dumper.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_DUMP_CACHE_CACHE_DUMPER_H_
 #define NET_TOOLS_DUMP_CACHE_CACHE_DUMPER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/tools/dump_cache/url_to_filename_encoder.h b/net/tools/dump_cache/url_to_filename_encoder.h
index 29ae8b8..b81a854 100644
--- a/net/tools/dump_cache/url_to_filename_encoder.h
+++ b/net/tools/dump_cache/url_to_filename_encoder.h
@@ -78,7 +78,6 @@
 
 #ifndef NET_TOOLS_DUMP_CACHE_URL_TO_FILENAME_ENCODER_H_
 #define NET_TOOLS_DUMP_CACHE_URL_TO_FILENAME_ENCODER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/tools/dump_cache/url_utilities.h b/net/tools/dump_cache/url_utilities.h
index 7b926f1..c9d8ea5 100644
--- a/net/tools/dump_cache/url_utilities.h
+++ b/net/tools/dump_cache/url_utilities.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_DUMP_CACHE_URL_UTILITIES_H_
 #define NET_TOOLS_DUMP_CACHE_URL_UTILITIES_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/tools/fetch/http_listen_socket.h b/net/tools/fetch/http_listen_socket.h
index 5eaf7a9..3202e87 100644
--- a/net/tools/fetch/http_listen_socket.h
+++ b/net/tools/fetch/http_listen_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TOOLS_HTTP_LISTEN_SOCKET_H_
 #define NET_BASE_TOOLS_HTTP_LISTEN_SOCKET_H_
-#pragma once
 
 #include "base/message_loop.h"
 #include "net/base/stream_listen_socket.h"
diff --git a/net/tools/fetch/http_server.h b/net/tools/fetch/http_server.h
index a31673c..6914130 100644
--- a/net/tools/fetch/http_server.h
+++ b/net/tools/fetch/http_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TOOLS_HTTP_SERVER_H_
 #define NET_BASE_TOOLS_HTTP_SERVER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/tools/fetch/http_server_request_info.h b/net/tools/fetch/http_server_request_info.h
index 9a94dcd..9b0fae1 100644
--- a/net/tools/fetch/http_server_request_info.h
+++ b/net/tools/fetch/http_server_request_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TOOLS_HTTP_SERVER_REQUEST_INFO_H_
 #define NET_BASE_TOOLS_HTTP_SERVER_REQUEST_INFO_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/tools/fetch/http_server_response_info.h b/net/tools/fetch/http_server_response_info.h
index d0ef863..e01f730 100644
--- a/net/tools/fetch/http_server_response_info.h
+++ b/net/tools/fetch/http_server_response_info.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_HTTP_HTTP_RESPONSE_INFO_H_
 #define NET_HTTP_HTTP_RESPONSE_INFO_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/tools/fetch/http_session.h b/net/tools/fetch/http_session.h
index ec613c1..7d87e05 100644
--- a/net/tools/fetch/http_session.h
+++ b/net/tools/fetch/http_session.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_BASE_TOOLS_HTTP_SESSION_H_
 #define NET_BASE_TOOLS_HTTP_SESSION_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "net/http/http_request_info.h"
diff --git a/net/tools/flip_server/balsa_enums.h b/net/tools/flip_server/balsa_enums.h
index 6a68532..4273ee4 100644
--- a/net/tools/flip_server/balsa_enums.h
+++ b/net/tools/flip_server/balsa_enums.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BALSA_ENUMS_H_
 #define NET_TOOLS_FLIP_SERVER_BALSA_ENUMS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/tools/flip_server/balsa_frame.h b/net/tools/flip_server/balsa_frame.h
index 5b6c265..0d3b372 100644
--- a/net/tools/flip_server/balsa_frame.h
+++ b/net/tools/flip_server/balsa_frame.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BALSA_FRAME_H_
 #define NET_TOOLS_FLIP_SERVER_BALSA_FRAME_H_
-#pragma once
 
 #include <strings.h>
 
diff --git a/net/tools/flip_server/balsa_headers.h b/net/tools/flip_server/balsa_headers.h
index f06545d..981b5a7 100644
--- a/net/tools/flip_server/balsa_headers.h
+++ b/net/tools/flip_server/balsa_headers.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BALSA_HEADERS_H_
 #define NET_TOOLS_FLIP_SERVER_BALSA_HEADERS_H_
-#pragma once
 
 #include <algorithm>
 #include <iosfwd>
diff --git a/net/tools/flip_server/balsa_headers_token_utils.h b/net/tools/flip_server/balsa_headers_token_utils.h
index 80c6b0c..c2c5a68 100644
--- a/net/tools/flip_server/balsa_headers_token_utils.h
+++ b/net/tools/flip_server/balsa_headers_token_utils.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BALSA_HEADERS_TOKEN_UTILS_H_
 #define NET_TOOLS_FLIP_SERVER_BALSA_HEADERS_TOKEN_UTILS_H_
-#pragma once
 
 #include "net/tools/flip_server/balsa_headers.h"
 #include "base/string_piece.h"
diff --git a/net/tools/flip_server/balsa_visitor_interface.h b/net/tools/flip_server/balsa_visitor_interface.h
index e82117e..75283ac 100644
--- a/net/tools/flip_server/balsa_visitor_interface.h
+++ b/net/tools/flip_server/balsa_visitor_interface.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BALSA_VISITOR_INTERFACE_H_
 #define NET_TOOLS_FLIP_SERVER_BALSA_VISITOR_INTERFACE_H_
-#pragma once
 
 #include <cstddef>
 
diff --git a/net/tools/flip_server/buffer_interface.h b/net/tools/flip_server/buffer_interface.h
index 67e1729..ec061c9 100644
--- a/net/tools/flip_server/buffer_interface.h
+++ b/net/tools/flip_server/buffer_interface.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_BUFFER_INTERFACE_H__
 #define NET_TOOLS_FLIP_SERVER_BUFFER_INTERFACE_H__
-#pragma once
 
 namespace net {
 
diff --git a/net/tools/flip_server/create_listener.h b/net/tools/flip_server/create_listener.h
index 3a7b16e..4a4a6e1 100644
--- a/net/tools/flip_server/create_listener.h
+++ b/net/tools/flip_server/create_listener.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_CREATE_LISTENER_H__
 #define NET_TOOLS_FLIP_SERVER_CREATE_LISTENER_H__
-#pragma once
 
 #include <iosfwd>
 #include <string>
diff --git a/net/tools/flip_server/epoll_server.h b/net/tools/flip_server/epoll_server.h
index bf6ca082..ae297c1 100644
--- a/net/tools/flip_server/epoll_server.h
+++ b/net/tools/flip_server/epoll_server.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_EPOLL_SERVER_H_
 #define NET_TOOLS_FLIP_SERVER_EPOLL_SERVER_H_
-#pragma once
 
 #include <fcntl.h>
 #include <sys/queue.h>
diff --git a/net/tools/flip_server/flip_config.h b/net/tools/flip_server/flip_config.h
index 3c5b920..454c4bf 100644
--- a/net/tools/flip_server/flip_config.h
+++ b/net/tools/flip_server/flip_config.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_PROXY_CONFIG_H
 #define NET_TOOLS_FLIP_PROXY_CONFIG_H
-#pragma once
 
 #include <arpa/inet.h>  // in_addr_t
 
diff --git a/net/tools/flip_server/http_message_constants.h b/net/tools/flip_server/http_message_constants.h
index f34d783..de700cc 100644
--- a/net/tools/flip_server/http_message_constants.h
+++ b/net/tools/flip_server/http_message_constants.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_HTTP_MESSAGE_CONSTANTS_H__
 #define NET_TOOLS_FLIP_SERVER_HTTP_MESSAGE_CONSTANTS_H__
-#pragma once
 
 namespace net {
 
diff --git a/net/tools/flip_server/loadtime_measurement.h b/net/tools/flip_server/loadtime_measurement.h
index fa069d4..b46217e 100644
--- a/net/tools/flip_server/loadtime_measurement.h
+++ b/net/tools/flip_server/loadtime_measurement.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_LOADTIME_MEASUREMENT_H__
 #define NET_TOOLS_FLIP_SERVER_LOADTIME_MEASUREMENT_H__
-#pragma once
 
 #include <errno.h>
 #include <fcntl.h>
diff --git a/net/tools/flip_server/ring_buffer.h b/net/tools/flip_server/ring_buffer.h
index eeb04cc..8c0c76a 100644
--- a/net/tools/flip_server/ring_buffer.h
+++ b/net/tools/flip_server/ring_buffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__
 #define NET_TOOLS_FLIP_SERVER_RING_BUFFER_H__
-#pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/tools/flip_server/simple_buffer.h b/net/tools/flip_server/simple_buffer.h
index f623ca2..08f7d38 100644
--- a/net/tools/flip_server/simple_buffer.h
+++ b/net/tools/flip_server/simple_buffer.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_SIMPLE_BUFFER_H__
 #define NET_TOOLS_FLIP_SERVER_SIMPLE_BUFFER_H__
-#pragma once
 
 #include <string>
 
diff --git a/net/tools/flip_server/split.h b/net/tools/flip_server/split.h
index 16ab74d..247fef8 100644
--- a/net/tools/flip_server/split.h
+++ b/net/tools/flip_server/split.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_SPLIT_H_
 #define NET_TOOLS_FLIP_SERVER_SPLIT_H_
-#pragma once
 
 #include <vector>
 #include "base/string_piece.h"
diff --git a/net/tools/flip_server/string_piece_utils.h b/net/tools/flip_server/string_piece_utils.h
index 5a4336f..408ebfb 100644
--- a/net/tools/flip_server/string_piece_utils.h
+++ b/net/tools/flip_server/string_piece_utils.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_FLIP_SERVER_STRING_PIECE_UTILS_H_
 #define NET_TOOLS_FLIP_SERVER_STRING_PIECE_UTILS_H_
-#pragma once
 
 #include <ctype.h>
 
diff --git a/net/tools/gdig/file_net_log.h b/net/tools/gdig/file_net_log.h
index 2d77895..cb80380 100644
--- a/net/tools/gdig/file_net_log.h
+++ b/net/tools/gdig/file_net_log.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_TOOLS_GDIG_FILE_NET_LOG_H_
 #define NET_TOOLS_GDIG_FILE_NET_LOG_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/tools/spdyshark/packet-spdy.h b/net/tools/spdyshark/packet-spdy.h
index b370a55..02b586b 100644
--- a/net/tools/spdyshark/packet-spdy.h
+++ b/net/tools/spdyshark/packet-spdy.h
@@ -26,7 +26,6 @@
 
 #ifndef __PACKET_SPDY_H__
 #define __PACKET_SPDY_H__
-#pragma once
 
 #include <epan/packet.h>
 #ifdef HAVE_LIBZ
diff --git a/net/udp/datagram_client_socket.h b/net/udp/datagram_client_socket.h
index f7d2707..31fc43f 100644
--- a/net/udp/datagram_client_socket.h
+++ b/net/udp/datagram_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_DATAGRAM_CLIENT_SOCKET_H_
 #define NET_UDP_DATAGRAM_CLIENT_SOCKET_H_
-#pragma once
 
 #include "net/socket/socket.h"
 #include "net/udp/datagram_socket.h"
diff --git a/net/udp/datagram_server_socket.h b/net/udp/datagram_server_socket.h
index c83481c..759b0e4 100644
--- a/net/udp/datagram_server_socket.h
+++ b/net/udp/datagram_server_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_DATAGRAM_SERVER_SOCKET_H_
 #define NET_UDP_DATAGRAM_SERVER_SOCKET_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/udp/datagram_socket.h"
diff --git a/net/udp/datagram_socket.h b/net/udp/datagram_socket.h
index 127fce3..f0e9fa1 100644
--- a/net/udp/datagram_socket.h
+++ b/net/udp/datagram_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_DATAGRAM_SOCKET_H_
 #define NET_UDP_DATAGRAM_SOCKET_H_
-#pragma once
 
 #include "net/base/net_export.h"
 
diff --git a/net/udp/udp_client_socket.h b/net/udp/udp_client_socket.h
index e28e6a4..e5cbdab 100644
--- a/net/udp/udp_client_socket.h
+++ b/net/udp/udp_client_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_UDP_CLIENT_SOCKET_H_
 #define NET_SOCKET_UDP_CLIENT_SOCKET_H_
-#pragma once
 
 #include "net/base/net_log.h"
 #include "net/base/rand_callback.h"
diff --git a/net/udp/udp_net_log_parameters.h b/net/udp/udp_net_log_parameters.h
index 0db1b87..8eb82a2 100644
--- a/net/udp/udp_net_log_parameters.h
+++ b/net/udp/udp_net_log_parameters.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_UDP_NET_LOG_PARAMETERS_H_
 #define NET_UDP_UDP_NET_LOG_PARAMETERS_H_
-#pragma once
 
 #include "net/base/net_log.h"
 
diff --git a/net/udp/udp_server_socket.h b/net/udp/udp_server_socket.h
index 89acb4f..56a5459 100644
--- a/net/udp/udp_server_socket.h
+++ b/net/udp/udp_server_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_SOCKET_UDP_SERVER_SOCKET_H_
 #define NET_SOCKET_UDP_SERVER_SOCKET_H_
-#pragma once
 
 #include "net/base/completion_callback.h"
 #include "net/udp/datagram_server_socket.h"
diff --git a/net/udp/udp_socket.h b/net/udp/udp_socket.h
index 15ba76c..97a4bc5 100644
--- a/net/udp/udp_socket.h
+++ b/net/udp/udp_socket.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_UDP_SOCKET_H_
 #define NET_UDP_UDP_SOCKET_H_
-#pragma once
 
 #include "build/build_config.h"
 
diff --git a/net/udp/udp_socket_libevent.h b/net/udp/udp_socket_libevent.h
index 2101abb..3242e18 100644
--- a/net/udp/udp_socket_libevent.h
+++ b/net/udp/udp_socket_libevent.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_UDP_SOCKET_LIBEVENT_H_
 #define NET_UDP_UDP_SOCKET_LIBEVENT_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/net/udp/udp_socket_win.h b/net/udp/udp_socket_win.h
index e55b1f0..bd47496 100644
--- a/net/udp/udp_socket_win.h
+++ b/net/udp/udp_socket_win.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_UDP_UDP_SOCKET_WIN_H_
 #define NET_UDP_UDP_SOCKET_WIN_H_
-#pragma once
 
 #include <winsock2.h>
 
diff --git a/net/url_request/ftp_protocol_handler.h b/net/url_request/ftp_protocol_handler.h
index 093aded..ab1596f 100644
--- a/net/url_request/ftp_protocol_handler.h
+++ b/net/url_request/ftp_protocol_handler.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_FTP_PROTOCOL_HANDLER_H_
 #define NET_URL_REQUEST_FTP_PROTOCOL_HANDLER_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/url_request/test_url_fetcher_factory.h b/net/url_request/test_url_fetcher_factory.h
index 6d12345..601ce04 100644
--- a/net/url_request/test_url_fetcher_factory.h
+++ b/net/url_request/test_url_fetcher_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_TEST_URL_FETCHER_FACTORY_H_
 #define NET_URL_REQUEST_TEST_URL_FETCHER_FACTORY_H_
-#pragma once
 
 #include <list>
 #include <map>
diff --git a/net/url_request/url_fetcher.h b/net/url_request/url_fetcher.h
index 7349392..b92333e 100644
--- a/net/url_request/url_fetcher.h
+++ b/net/url_request/url_fetcher.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_H_
 #define NET_URL_REQUEST_URL_FETCHER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/url_request/url_fetcher_core.h b/net/url_request/url_fetcher_core.h
index ee4113d..2f94f93 100644
--- a/net/url_request/url_fetcher_core.h
+++ b/net/url_request/url_fetcher_core.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_CORE_H_
 #define NET_URL_REQUEST_URL_FETCHER_CORE_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/net/url_request/url_fetcher_delegate.h b/net/url_request/url_fetcher_delegate.h
index 7b6771b..ac7b2a6 100644
--- a/net/url_request/url_fetcher_delegate.h
+++ b/net/url_request/url_fetcher_delegate.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_DELEGATE_H_
 #define NET_URL_REQUEST_URL_FETCHER_DELEGATE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_fetcher_factory.h b/net/url_request/url_fetcher_factory.h
index d0ad155..0c5a5eb 100644
--- a/net/url_request/url_fetcher_factory.h
+++ b/net/url_request/url_fetcher_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_FACTORY_H_
 #define NET_URL_REQUEST_URL_FETCHER_FACTORY_H_
-#pragma once
 
 #include "net/url_request/url_fetcher.h"
 
diff --git a/net/url_request/url_fetcher_impl.h b/net/url_request/url_fetcher_impl.h
index eca1f19..2a28361 100644
--- a/net/url_request/url_fetcher_impl.h
+++ b/net/url_request/url_fetcher_impl.h
@@ -13,7 +13,6 @@
 
 #ifndef NET_URL_REQUEST_URL_FETCHER_IMPL_H_
 #define NET_URL_REQUEST_URL_FETCHER_IMPL_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index f2e4ab3..603d90c 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/url_request/url_request_about_job.h b/net/url_request/url_request_about_job.h
index 957e233..39d37cd 100644
--- a/net/url_request/url_request_about_job.h
+++ b/net/url_request/url_request_about_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_ABOUT_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_ABOUT_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_context.h b/net/url_request/url_request_context.h
index 74c52a3..be8214b 100644
--- a/net/url_request/url_request_context.h
+++ b/net/url_request/url_request_context.h
@@ -9,7 +9,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
 #define NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
-#pragma once
 
 #include <set>
 
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index 5d79998..7d19236 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -13,7 +13,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_BUILDER_H_
 #define NET_URL_REQUEST_URL_REQUEST_CONTEXT_BUILDER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_context_getter.h b/net/url_request/url_request_context_getter.h
index 6e08efd..4c8e4af 100644
--- a/net/url_request/url_request_context_getter.h
+++ b/net/url_request/url_request_context_getter.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
 #define CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
diff --git a/net/url_request/url_request_context_storage.h b/net/url_request/url_request_context_storage.h
index 7652952..f792d8e 100644
--- a/net/url_request/url_request_context_storage.h
+++ b/net/url_request/url_request_context_storage.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_STORAGE_H_
 #define NET_URL_REQUEST_URL_REQUEST_CONTEXT_STORAGE_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
diff --git a/net/url_request/url_request_data_job.h b/net/url_request/url_request_data_job.h
index 3a0fc27..8284bed 100644
--- a/net/url_request/url_request_data_job.h
+++ b/net/url_request/url_request_data_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_DATA_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_DATA_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_error_job.h b/net/url_request/url_request_error_job.h
index 7f34984..7ab745f 100644
--- a/net/url_request/url_request_error_job.h
+++ b/net/url_request/url_request_error_job.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_ERROR_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_ERROR_JOB_H_
-#pragma once
 
 #include "base/memory/weak_ptr.h"
 #include "net/base/net_export.h"
diff --git a/net/url_request/url_request_file_dir_job.h b/net/url_request/url_request_file_dir_job.h
index ad3cee8..7153831 100644
--- a/net/url_request/url_request_file_dir_job.h
+++ b/net/url_request/url_request_file_dir_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_file_job.h b/net/url_request/url_request_file_job.h
index b02008a..e2b39a58 100644
--- a/net/url_request/url_request_file_job.h
+++ b/net/url_request/url_request_file_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/url_request/url_request_filter.h b/net/url_request/url_request_filter.h
index 6ea0624..7e86c39 100644
--- a/net/url_request/url_request_filter.h
+++ b/net/url_request/url_request_filter.h
@@ -18,7 +18,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_FILTER_H_
 #define NET_URL_REQUEST_URL_REQUEST_FILTER_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/url_request/url_request_ftp_job.h b/net/url_request/url_request_ftp_job.h
index 7eaba0c..eadf445 100644
--- a/net/url_request/url_request_ftp_job.h
+++ b/net/url_request/url_request_ftp_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index 51b900c..aef26b4 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/url_request/url_request_job.h b/net/url_request/url_request_job.h
index 41015a8..e392c76 100644
--- a/net/url_request/url_request_job.h
+++ b/net/url_request/url_request_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/url_request/url_request_job_factory.h b/net/url_request/url_request_job_factory.h
index 86eb8d2..2c0c41c 100644
--- a/net/url_request/url_request_job_factory.h
+++ b/net/url_request/url_request_job_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_FACTORY_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_FACTORY_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/url_request/url_request_job_manager.h b/net/url_request/url_request_job_manager.h
index ce70272..5412ef0 100644
--- a/net/url_request/url_request_job_manager.h
+++ b/net/url_request/url_request_job_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/net/url_request/url_request_netlog_params.h b/net/url_request/url_request_netlog_params.h
index eb84f7c..3ab76fd 100644
--- a/net/url_request/url_request_netlog_params.h
+++ b/net/url_request/url_request_netlog_params.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_NETLOG_PARAMS_H_
 #define NET_URL_REQUEST_URL_REQUEST_NETLOG_PARAMS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_redirect_job.h b/net/url_request/url_request_redirect_job.h
index 4e91e79..be5ffb9 100644
--- a/net/url_request/url_request_redirect_job.h
+++ b/net/url_request/url_request_redirect_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_REDIRECT_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_REDIRECT_JOB_H_
-#pragma once
 
 #include "base/memory/weak_ptr.h"
 #include "net/base/net_export.h"
diff --git a/net/url_request/url_request_simple_job.h b/net/url_request/url_request_simple_job.h
index e6b60d0..09062ae 100644
--- a/net/url_request/url_request_simple_job.h
+++ b/net/url_request/url_request_simple_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_status.h b/net/url_request/url_request_status.h
index 1e497ab..5cf1218 100644
--- a/net/url_request/url_request_status.h
+++ b/net/url_request/url_request_status.h
@@ -7,7 +7,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_STATUS_H_
 #define NET_URL_REQUEST_URL_REQUEST_STATUS_H_
-#pragma once
 
 namespace net {
 
diff --git a/net/url_request/url_request_test_job.h b/net/url_request/url_request_test_job.h
index 1b4dec8..40b2f0f30 100644
--- a/net/url_request/url_request_test_job.h
+++ b/net/url_request/url_request_test_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_test_util.h b/net/url_request/url_request_test_util.h
index d1d371f..256264d 100644
--- a/net/url_request/url_request_test_util.h
+++ b/net/url_request/url_request_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
-#pragma once
 
 #include <stdlib.h>
 
diff --git a/net/url_request/url_request_throttler_entry.h b/net/url_request/url_request_throttler_entry.h
index e5399c9..66a8ce9 100644
--- a/net/url_request/url_request_throttler_entry.h
+++ b/net/url_request/url_request_throttler_entry.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_
 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_
-#pragma once
 
 #include <queue>
 #include <string>
diff --git a/net/url_request/url_request_throttler_entry_interface.h b/net/url_request/url_request_throttler_entry_interface.h
index ea236b4..6d975f4 100644
--- a/net/url_request/url_request_throttler_entry_interface.h
+++ b/net/url_request/url_request_throttler_entry_interface.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_
 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_throttler_header_adapter.h b/net/url_request/url_request_throttler_header_adapter.h
index d80cede..17a13a1 100644
--- a/net/url_request/url_request_throttler_header_adapter.h
+++ b/net/url_request/url_request_throttler_header_adapter.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_ADAPTER_H_
 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_ADAPTER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/url_request_throttler_manager.h b/net/url_request/url_request_throttler_manager.h
index d438f67..9623834 100644
--- a/net/url_request/url_request_throttler_manager.h
+++ b/net/url_request/url_request_throttler_manager.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_
 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_MANAGER_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/net/url_request/url_request_throttler_test_support.h b/net/url_request/url_request_throttler_test_support.h
index 0db36c0..cad041c 100644
--- a/net/url_request/url_request_throttler_test_support.h
+++ b/net/url_request/url_request_throttler_test_support.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_TEST_SUPPORT_H_
 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_TEST_SUPPORT_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/url_request/view_cache_helper.h b/net/url_request/view_cache_helper.h
index bd95401..d5a7c42 100644
--- a/net/url_request/view_cache_helper.h
+++ b/net/url_request/view_cache_helper.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_URL_REQUEST_VIEW_CACHE_HELPER_H_
 #define NET_URL_REQUEST_VIEW_CACHE_HELPER_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/websockets/websocket_frame.h b/net/websockets/websocket_frame.h
index 8903c9c..bce6fa2 100644
--- a/net/websockets/websocket_frame.h
+++ b/net/websockets/websocket_frame.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_FRAME_H_
 #define NET_WEBSOCKETS_WEBSOCKET_FRAME_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/websockets/websocket_frame_parser.h b/net/websockets/websocket_frame_parser.h
index 3becb81..a43ff84 100644
--- a/net/websockets/websocket_frame_parser.h
+++ b/net/websockets/websocket_frame_parser.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_FRAME_PARSER_H_
 #define NET_WEBSOCKETS_WEBSOCKET_FRAME_PARSER_H_
-#pragma once
 
 #include <vector>
 
diff --git a/net/websockets/websocket_handshake_handler.h b/net/websockets/websocket_handshake_handler.h
index 46a0a39..2093adb 100644
--- a/net/websockets/websocket_handshake_handler.h
+++ b/net/websockets/websocket_handshake_handler.h
@@ -27,7 +27,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_HANDLER_H_
 #define NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_HANDLER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/net/websockets/websocket_job.h b/net/websockets/websocket_job.h
index b99c587..7e20441 100644
--- a/net/websockets/websocket_job.h
+++ b/net/websockets/websocket_job.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_JOB_H_
 #define NET_WEBSOCKETS_WEBSOCKET_JOB_H_
-#pragma once
 
 #include <deque>
 #include <string>
diff --git a/net/websockets/websocket_net_log_params.h b/net/websockets/websocket_net_log_params.h
index 7a40780..45dabb0 100644
--- a/net/websockets/websocket_net_log_params.h
+++ b/net/websockets/websocket_net_log_params.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_NET_LOG_PARAMS_H_
 #define NET_WEBSOCKETS_WEBSOCKET_NET_LOG_PARAMS_H_
-#pragma once
 
 #include <string>
 
diff --git a/net/websockets/websocket_throttle.h b/net/websockets/websocket_throttle.h
index 8cafba9..1c64658 100644
--- a/net/websockets/websocket_throttle.h
+++ b/net/websockets/websocket_throttle.h
@@ -4,7 +4,6 @@
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_THROTTLE_H_
 #define NET_WEBSOCKETS_WEBSOCKET_THROTTLE_H_
-#pragma once
 
 #include <deque>
 #include <string>
author	ajwong@chromium.org <ajwong@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>	2012-07-11 19:01:43 +0000
committer	ajwong@chromium.org <ajwong@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>	2012-07-11 19:01:43 +0000
commit	01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0 (patch)
tree	ce78aa58908c7bc64bcb3596bd1298b872b85701 /net
parent	a19317f99fd8f35cd2bf8ebe3d0f34dc71866574 (diff)
download	chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.zip chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.tar.gz chromium_src-01c86ece0232e9b15bff05f1ee508c7f6bdc2ef0.tar.bz2