Revert of Allow std::unordered_*. (patchset #15 id:280001 of https://codereview.chromium.org/1502373009/ )

Reason for revert:
MSan build failure.

https://build.chromium.org/p/chromium.memory.fyi/builders/Chromium%20Linux%20ChromeOS%20MSan%20Builder/builds/12498

Original issue's description:
> Allow std::unordered_*.
>
> base::hash_* is, as a transition step, implemented in terms of
> std::unordered_*. Later commits will convert existing uses.
>
> Also fix a host of IWYU problems that arose from this CL.
>
> (NOPRESUBMIT because the wstring presubmit check is overzealous
> and complains about the reference to wstring in the comment.)
>
> NOPRESUBMIT=true
> BUG=576864
> TBR=derat@chromium.org,blundell@chromium.org,jbauman@chromium.org,dalecurtis@chromium.org
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
>
> Committed: https://crrev.com/3f37f7f1459e7b5a452c0e433493e0a6e9649ca7
> Cr-Commit-Position: refs/heads/master@{#370553}

TBR=danakj@chromium.org,thakis@chromium.org,derat@chromium.org,blundell@chromium.org,dalecurtis@chromium.org,jbauman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=576864

Review URL: https://codereview.chromium.org/1610023003

Cr-Commit-Position: refs/heads/master@{#370559}

8 files changed, 6 insertions, 7 deletions

diff --git a/net/base/network_change_notifier_linux.h b/net/base/network_change_notifier_linux.h
index 48bda6b..85238cf9 100644
--- a/net/base/network_change_notifier_linux.h
+++ b/net/base/network_change_notifier_linux.h
@@ -6,7 +6,6 @@
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_LINUX_H_
 
 #include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
diff --git a/net/base/port_util.cc b/net/base/port_util.cc
index 7328b5e..1867dc3 100644
--- a/net/base/port_util.cc
+++ b/net/base/port_util.cc
@@ -4,7 +4,6 @@
 
 #include "net/base/port_util.h"
 
-#include <limits>
 #include <set>
 
 #include "base/lazy_instance.h"
diff --git a/net/disk_cache/simple/simple_index_file.cc b/net/disk_cache/simple/simple_index_file.cc
index 025ffe9..7e80c02 100644
--- a/net/disk_cache/simple/simple_index_file.cc
+++ b/net/disk_cache/simple/simple_index_file.cc
@@ -423,7 +423,10 @@ void SimpleIndexFile::Deserialize(const char* data, int data_len,
     return;
   }
 
-  entries->reserve(index_metadata.GetNumberOfEntries() + kExtraSizeForMerge);
+#if !defined(OS_WIN)
+  // TODO(gavinp): Consider using std::unordered_map.
+  entries->resize(index_metadata.GetNumberOfEntries() + kExtraSizeForMerge);
+#endif
   while (entries->size() < index_metadata.GetNumberOfEntries()) {
     uint64_t hash_key;
     EntryMetadata entry_metadata;
diff --git a/net/server/web_socket_encoder.cc b/net/server/web_socket_encoder.cc
index d90a156..6d59713 100644
--- a/net/server/web_socket_encoder.cc
+++ b/net/server/web_socket_encoder.cc
@@ -4,7 +4,6 @@
 
 #include "net/server/web_socket_encoder.h"
 
-#include <limits>
 #include <utility>
 #include <vector>
 
diff --git a/net/spdy/spdy_alt_svc_wire_format.cc b/net/spdy/spdy_alt_svc_wire_format.cc
index a50590e..ba32160 100644
--- a/net/spdy/spdy_alt_svc_wire_format.cc
+++ b/net/spdy/spdy_alt_svc_wire_format.cc
@@ -4,7 +4,6 @@
 
 #include "net/spdy/spdy_alt_svc_wire_format.h"
 
-#include <algorithm>
 #include <limits>
 #include <string>
 
diff --git a/net/ssl/client_cert_store_nss.cc b/net/ssl/client_cert_store_nss.cc
index ef29b55..8a6c329 100644
--- a/net/ssl/client_cert_store_nss.cc
+++ b/net/ssl/client_cert_store_nss.cc
@@ -6,8 +6,6 @@
 
 #include <nss.h>
 #include <ssl.h>
-
-#include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
diff --git a/net/tools/quic/quic_server_session_base_test.cc b/net/tools/quic/quic_server_session_base_test.cc
index efe96ec..36432aa 100644
--- a/net/tools/quic/quic_server_session_base_test.cc
+++ b/net/tools/quic/quic_server_session_base_test.cc
@@ -26,6 +26,7 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using __gnu_cxx::vector;
 using net::test::CryptoTestUtils;
 using net::test::MockConnection;
 using net::test::MockConnectionHelper;
diff --git a/net/tools/quic/quic_simple_server_session_test.cc b/net/tools/quic/quic_simple_server_session_test.cc
index fe9482f..e3ed3c9 100644
--- a/net/tools/quic/quic_simple_server_session_test.cc
+++ b/net/tools/quic/quic_simple_server_session_test.cc
@@ -30,6 +30,7 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using __gnu_cxx::vector;
 using net::test::CryptoTestUtils;
 using net::test::MockConnection;
 using net::test::MockConnectionHelper;