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

46 files changed, 0 insertions, 46 deletions

diff --git a/chrome/common/extensions/api/extension_api.h b/chrome/common/extensions/api/extension_api.h
index 2808b6b..e2099a8 100644
--- a/chrome/common/extensions/api/extension_api.h
+++ b/chrome/common/extensions/api/extension_api.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
 #define CHROME_COMMON_EXTENSIONS_API_EXTENSION_API_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/chrome/common/extensions/command.h b/chrome/common/extensions/command.h
index 2bee9bf..ee81e11 100644
--- a/chrome/common/extensions/command.h
+++ b/chrome/common/extensions/command.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_COMMAND_H_
 #define CHROME_COMMON_EXTENSIONS_COMMAND_H_
-#pragma once
 
 #include <string>
 #include <map>
diff --git a/chrome/common/extensions/csp_validator.h b/chrome/common/extensions/csp_validator.h
index 4c3d267..cdb1090 100644
--- a/chrome/common/extensions/csp_validator.h
+++ b/chrome/common/extensions/csp_validator.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_CSP_VALIDATOR_H_
 #define CHROME_COMMON_EXTENSIONS_CSP_VALIDATOR_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/event_filter.h b/chrome/common/extensions/event_filter.h
index 6c42c43..59a6b3c 100644
--- a/chrome/common/extensions/event_filter.h
+++ b/chrome/common/extensions/event_filter.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EVENT_FILTER_H_
 #define CHROME_COMMON_EXTENSIONS_EVENT_FILTER_H_
-#pragma once
 
 #include "base/memory/linked_ptr.h"
 #include "chrome/common/extensions/event_matcher.h"
diff --git a/chrome/common/extensions/event_filtering_info.h b/chrome/common/extensions/event_filtering_info.h
index b137c56..8525241 100644
--- a/chrome/common/extensions/event_filtering_info.h
+++ b/chrome/common/extensions/event_filtering_info.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EVENT_FILTERING_INFO_H_
 #define CHROME_COMMON_EXTENSIONS_EVENT_FILTERING_INFO_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
diff --git a/chrome/common/extensions/event_matcher.h b/chrome/common/extensions/event_matcher.h
index 318777d..24acc6e 100644
--- a/chrome/common/extensions/event_matcher.h
+++ b/chrome/common/extensions/event_matcher.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EVENT_MATCHER_H_
 #define CHROME_COMMON_EXTENSIONS_EVENT_MATCHER_H_
-#pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index 67205ea..21881ee 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
-#pragma once
 
 #include <algorithm>
 #include <iosfwd>
diff --git a/chrome/common/extensions/extension_action.h b/chrome/common/extensions/extension_action.h
index 5ea62f3..4de8e1f 100644
--- a/chrome/common/extensions/extension_action.h
+++ b/chrome/common/extensions/extension_action.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_ACTION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_ACTION_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/chrome/common/extensions/extension_builder.h b/chrome/common/extensions/extension_builder.h
index c50b180..a0675ef 100644
--- a/chrome/common/extensions/extension_builder.h
+++ b/chrome/common/extensions/extension_builder.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_BUILDER_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_BUILDER_H_
-#pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/chrome/common/extensions/extension_constants.h b/chrome/common/extensions/extension_constants.h
index 7497904..4b7f35a 100644
--- a/chrome/common/extensions/extension_constants.h
+++ b/chrome/common/extensions/extension_constants.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_error_utils.h b/chrome/common/extensions/extension_error_utils.h
index 52d7efd..4745ca0 100644
--- a/chrome/common/extensions/extension_error_utils.h
+++ b/chrome/common/extensions/extension_error_utils.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_ERROR_UTILS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_ERROR_UTILS_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_file_util.h b/chrome/common/extensions/extension_file_util.h
index 72a5069..e783ca1 100644
--- a/chrome/common/extensions/extension_file_util.h
+++ b/chrome/common/extensions/extension_file_util.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_FILE_UTIL_H_
-#pragma once
 
 #include <string>
 #include <map>
diff --git a/chrome/common/extensions/extension_icon_set.h b/chrome/common/extensions/extension_icon_set.h
index 5134276..dc58813 100644
--- a/chrome/common/extensions/extension_icon_set.h
+++ b/chrome/common/extensions/extension_icon_set.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/chrome/common/extensions/extension_l10n_util.h b/chrome/common/extensions/extension_l10n_util.h
index e96a858..f83c507 100644
--- a/chrome/common/extensions/extension_l10n_util.h
+++ b/chrome/common/extensions/extension_l10n_util.h
@@ -6,7 +6,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_L10N_UTIL_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_L10N_UTIL_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/chrome/common/extensions/extension_localization_peer.h b/chrome/common/extensions/extension_localization_peer.h
index 1784b64..e49035b 100644
--- a/chrome/common/extensions/extension_localization_peer.h
+++ b/chrome/common/extensions/extension_localization_peer.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_manifest_constants.h b/chrome/common/extensions/extension_manifest_constants.h
index 0f93cf1..fc8a586 100644
--- a/chrome/common/extensions/extension_manifest_constants.h
+++ b/chrome/common/extensions/extension_manifest_constants.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_MANIFEST_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MANIFEST_CONSTANTS_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_message_bundle.h b/chrome/common/extensions/extension_message_bundle.h
index fad4b84..baef314 100644
--- a/chrome/common/extensions/extension_message_bundle.h
+++ b/chrome/common/extensions/extension_message_bundle.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGE_BUNDLE_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGE_BUNDLE_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/chrome/common/extensions/extension_process_policy.h b/chrome/common/extensions/extension_process_policy.h
index 54f3d6a..19ad254 100644
--- a/chrome/common/extensions/extension_process_policy.h
+++ b/chrome/common/extensions/extension_process_policy.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_PROCESS_POLICY_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_PROCESS_POLICY_H_
-#pragma once
 
 class ExtensionSet;
 class ExtensionURLInfo;
diff --git a/chrome/common/extensions/extension_resource.h b/chrome/common/extensions/extension_resource.h
index 47726ce..b1a3cdb 100644
--- a/chrome/common/extensions/extension_resource.h
+++ b/chrome/common/extensions/extension_resource.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_RESOURCE_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_RESOURCE_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_set.h b/chrome/common/extensions/extension_set.h
index a516ca4..253b8ff 100644
--- a/chrome/common/extensions/extension_set.h
+++ b/chrome/common/extensions/extension_set.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
-#pragma once
 
 #include <iterator>
 #include <map>
diff --git a/chrome/common/extensions/extension_switch_utils.h b/chrome/common/extensions/extension_switch_utils.h
index e5e095c..d393de6 100644
--- a/chrome/common/extensions/extension_switch_utils.h
+++ b/chrome/common/extensions/extension_switch_utils.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_SWITCH_UTILS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_SWITCH_UTILS_H_
-#pragma once
 
 namespace extensions {
 
diff --git a/chrome/common/extensions/extension_test_util.h b/chrome/common/extensions/extension_test_util.h
index 77c47e5..7268160 100644
--- a/chrome/common/extensions/extension_test_util.h
+++ b/chrome/common/extensions/extension_test_util.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_TEST_UTIL_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_TEST_UTIL_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/extension_unpacker.h b/chrome/common/extensions/extension_unpacker.h
index 5fd7398..36cd551 100644
--- a/chrome/common/extensions/extension_unpacker.h
+++ b/chrome/common/extensions/extension_unpacker.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/common/extensions/features/feature.h b/chrome/common/extensions/features/feature.h
index 22ea034..ce685ba 100644
--- a/chrome/common/extensions/features/feature.h
+++ b/chrome/common/extensions/features/feature.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_H_
 #define CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/chrome/common/extensions/features/feature_provider.h b/chrome/common/extensions/features/feature_provider.h
index 135f30b..81e4611 100644
--- a/chrome/common/extensions/features/feature_provider.h
+++ b/chrome/common/extensions/features/feature_provider.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_PROVIDER_H_
 #define CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_PROVIDER_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/features/manifest_feature.h b/chrome/common/extensions/features/manifest_feature.h
index ccfa962..0ec0cd7 100644
--- a/chrome/common/extensions/features/manifest_feature.h
+++ b/chrome/common/extensions/features/manifest_feature.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_MANIFEST_FEATURE_H_
 #define CHROME_COMMON_EXTENSIONS_FEATURES_MANIFEST_FEATURE_H_
-#pragma once
 
 #include "chrome/common/extensions/features/feature.h"
 
diff --git a/chrome/common/extensions/features/permission_feature.h b/chrome/common/extensions/features/permission_feature.h
index f8784ae..cf5b323 100644
--- a/chrome/common/extensions/features/permission_feature.h
+++ b/chrome/common/extensions/features/permission_feature.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_PERMISSION_FEATURE_H_
 #define CHROME_COMMON_EXTENSIONS_FEATURES_PERMISSION_FEATURE_H_
-#pragma once
 
 #include "chrome/common/extensions/features/feature.h"
 
diff --git a/chrome/common/extensions/features/simple_feature_provider.h b/chrome/common/extensions/features/simple_feature_provider.h
index 21c7876..6da884e 100644
--- a/chrome/common/extensions/features/simple_feature_provider.h
+++ b/chrome/common/extensions/features/simple_feature_provider.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_SIMPLE_FEATURE_PROVIDER_H_
 #define CHROME_COMMON_EXTENSIONS_FEATURES_SIMPLE_FEATURE_PROVIDER_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/chrome/common/extensions/file_browser_handler.h b/chrome/common/extensions/file_browser_handler.h
index 30720f6..e4bf1ea 100644
--- a/chrome/common/extensions/file_browser_handler.h
+++ b/chrome/common/extensions/file_browser_handler.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/common/extensions/manifest.h b/chrome/common/extensions/manifest.h
index d662c5f..8efd6a2 100644
--- a/chrome/common/extensions/manifest.h
+++ b/chrome/common/extensions/manifest.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MANIFEST_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_H_
-#pragma once
 
 #include <map>
 #include <string>
diff --git a/chrome/common/extensions/manifest_tests/extension_manifest_test.h b/chrome/common/extensions/manifest_tests/extension_manifest_test.h
index 4e8741c..7f2766e 100644
--- a/chrome/common/extensions/manifest_tests/extension_manifest_test.h
+++ b/chrome/common/extensions/manifest_tests/extension_manifest_test.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MANIFEST_TESTS_EXTENSION_MANIFEST_TEST_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_TESTS_EXTENSION_MANIFEST_TEST_H_
-#pragma once
 
 #include "base/values.h"
 #include "base/memory/scoped_ptr.h"
diff --git a/chrome/common/extensions/matcher/substring_set_matcher.h b/chrome/common/extensions/matcher/substring_set_matcher.h
index bd441e8..65126a6 100644
--- a/chrome/common/extensions/matcher/substring_set_matcher.h
+++ b/chrome/common/extensions/matcher/substring_set_matcher.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MATCHER_SUBSTRING_SET_MATCHER_H_
 #define CHROME_COMMON_EXTENSIONS_MATCHER_SUBSTRING_SET_MATCHER_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/chrome/common/extensions/matcher/url_matcher.h b/chrome/common/extensions/matcher/url_matcher.h
index eef01d5..8f812ec 100644
--- a/chrome/common/extensions/matcher/url_matcher.h
+++ b/chrome/common/extensions/matcher/url_matcher.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_H_
 #define CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_H_
-#pragma once
 
 #include <set>
 #include <vector>
diff --git a/chrome/common/extensions/matcher/url_matcher_constants.h b/chrome/common/extensions/matcher/url_matcher_constants.h
index cf7c8cd..17aebe7 100644
--- a/chrome/common/extensions/matcher/url_matcher_constants.h
+++ b/chrome/common/extensions/matcher/url_matcher_constants.h
@@ -6,7 +6,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_CONSTANTS_H_
-#pragma once
 
 namespace extensions {
 namespace url_matcher_constants {
diff --git a/chrome/common/extensions/matcher/url_matcher_factory.h b/chrome/common/extensions/matcher/url_matcher_factory.h
index ade3508..7623e18 100644
--- a/chrome/common/extensions/matcher/url_matcher_factory.h
+++ b/chrome/common/extensions/matcher/url_matcher_factory.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_FACTORY_H_
 #define CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_FACTORY_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/matcher/url_matcher_helpers.h b/chrome/common/extensions/matcher/url_matcher_helpers.h
index c67a3ee..ebcb18b 100644
--- a/chrome/common/extensions/matcher/url_matcher_helpers.h
+++ b/chrome/common/extensions/matcher/url_matcher_helpers.h
@@ -6,7 +6,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_HELPERS_H_
 #define CHROME_COMMON_EXTENSIONS_MATCHER_URL_MATCHER_HELPERS_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/common/extensions/permissions/api_permission.h b/chrome/common/extensions/permissions/api_permission.h
index c3132b7..42b389c 100644
--- a/chrome/common/extensions/permissions/api_permission.h
+++ b/chrome/common/extensions/permissions/api_permission.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_API_PERMISSION_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_API_PERMISSION_H_
-#pragma once
 
 #include <set>
 
diff --git a/chrome/common/extensions/permissions/permission_message.h b/chrome/common/extensions/permissions/permission_message.h
index 3ab22da..7f94106 100644
--- a/chrome/common/extensions/permissions/permission_message.h
+++ b/chrome/common/extensions/permissions/permission_message.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_MESSAGE_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_MESSAGE_H_
-#pragma once
 
 #include <set>
 #include <string>
diff --git a/chrome/common/extensions/permissions/permission_set.h b/chrome/common/extensions/permissions/permission_set.h
index 09d82a8..b77ff4a 100644
--- a/chrome/common/extensions/permissions/permission_set.h
+++ b/chrome/common/extensions/permissions/permission_set.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_SET_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_SET_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/chrome/common/extensions/permissions/permissions_info.h b/chrome/common/extensions/permissions/permissions_info.h
index e59c7a1..afcd871 100644
--- a/chrome/common/extensions/permissions/permissions_info.h
+++ b/chrome/common/extensions/permissions/permissions_info.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSIONS_INFO_H_
-#pragma once
 
 #include <map>
 #include <set>
diff --git a/chrome/common/extensions/update_manifest.h b/chrome/common/extensions/update_manifest.h
index 89e0f8b..d847743 100644
--- a/chrome/common/extensions/update_manifest.h
+++ b/chrome/common/extensions/update_manifest.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_
 #define CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/common/extensions/url_pattern.h b/chrome/common/extensions/url_pattern.h
index ace2dc8..6968133 100644
--- a/chrome/common/extensions/url_pattern.h
+++ b/chrome/common/extensions/url_pattern.h
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 #ifndef CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_
 #define CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_
-#pragma once
 
 #include <functional>
 #include <string>
diff --git a/chrome/common/extensions/url_pattern_set.h b/chrome/common/extensions/url_pattern_set.h
index b94239f..ca0a25b 100644
--- a/chrome/common/extensions/url_pattern_set.h
+++ b/chrome/common/extensions/url_pattern_set.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_URL_PATTERN_SET_H_
 #define CHROME_COMMON_EXTENSIONS_URL_PATTERN_SET_H_
-#pragma once
 
 #include <set>
 
diff --git a/chrome/common/extensions/user_script.h b/chrome/common/extensions/user_script.h
index a50a951..73dd020 100644
--- a/chrome/common/extensions/user_script.h
+++ b/chrome/common/extensions/user_script.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
 #define CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
-#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/common/extensions/value_builder.h b/chrome/common/extensions/value_builder.h
index 658d7d2..b160766 100644
--- a/chrome/common/extensions/value_builder.h
+++ b/chrome/common/extensions/value_builder.h
@@ -32,7 +32,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_VALUE_BUILDER_H_
 #define CHROME_COMMON_EXTENSIONS_VALUE_BUILDER_H_
-#pragma once
 
 #include <string>
 
diff --git a/chrome/common/extensions/value_counter.h b/chrome/common/extensions/value_counter.h
index 52c719c..84fe06c 100644
--- a/chrome/common/extensions/value_counter.h
+++ b/chrome/common/extensions/value_counter.h
@@ -4,7 +4,6 @@
 
 #ifndef CHROME_COMMON_EXTENSIONS_VALUE_COUNTER_H_
 #define CHROME_COMMON_EXTENSIONS_VALUE_COUNTER_H_
-#pragma once
 
 #include "base/memory/linked_ptr.h"