Align base::hash_map with C++11.

content/child/npapi/np_channel_base.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_NPAPI_NP_CHANNEL_BASE_H_
 #define CONTENT_CHILD_NPAPI_NP_CHANNEL_BASE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process.h"
 #include "content/child/npapi/npobject_base.h"
 #include "content/common/message_router.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
-#if defined(COMPILER_GCC)
-namespace BASE_HASH_NAMESPACE {
-
-template<>
-struct hash<NPObject*> {
-  std::size_t operator()(NPObject* const& ptr) const {
-    return hash<size_t>()(reinterpret_cast<size_t>(ptr));
-  }
-};
-
-template<>
-struct hash<struct _NPP*> {
-  std::size_t operator()(struct _NPP* const& ptr) const {
-    return hash<size_t>()(reinterpret_cast<size_t>(ptr));
-  }
-};
-
-}  // namespace __gnu_cxx
-#elif defined(COMPILER_MSVC)
-namespace stdext {
-
-template<>
-inline size_t hash_value(NPObject* const& ptr) {
-  return hash_value(reinterpret_cast<size_t>(ptr));
-}
-
-}  // namespace stdext
-#endif // COMPILER
-
 namespace content {
 
 // Encapsulates an IPC channel between a renderer and another process. Used to
 // proxy access to NP objects.
 class NPChannelBase : public IPC::Listener,
                       public IPC::Sender,
                       public base::RefCountedThreadSafe<NPChannelBase> {
  public:
 
   // WebPlugin[Delegate] call these on construction and destruction to setup
@@ skipping 152 matching lines @@
   // have the unblock flag set, since they could be followed by a sync message
   // that won't get dispatched until the call to the renderer is complete.
   bool send_unblocking_only_during_unblock_dispatch_;
 
   DISALLOW_COPY_AND_ASSIGN(NPChannelBase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_NP_CHANNEL_BASE_H_