Align base::hash_map with C++11, part 2.

content/common/host_shared_bitmap_manager.h

 // Copyright (c) 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_COMMON_HOST_SHARED_BITMAP_MANAGER_H_
 #define CONTENT_COMMON_HOST_SHARED_BITMAP_MANAGER_H_
 
 #include <map>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/hash.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/synchronization/lock.h"
 #include "cc/resources/shared_bitmap_manager.h"
 #include "content/common/content_export.h"
 
 namespace BASE_HASH_NAMESPACE {
-#if defined(COMPILER_GCC)
 template <>
 struct hash<cc::SharedBitmapId> {
   size_t operator()(const cc::SharedBitmapId& id) const {
     return base::Hash(reinterpret_cast<const char*>(id.name), sizeof(id.name));
   }
 };
-#elif defined(COMPILER_MSVC)
-inline std::size_t hash_value(const cc::SharedBitmapId& id) {
-  return base::Hash(reinterpret_cast<const char*>(id.name), sizeof(id.name));
-}
-#endif  // COMPILER
 }  // namespace BASE_HASH_NAMESPACE
 
 namespace content {
 class BitmapData;
 
 class CONTENT_EXPORT HostSharedBitmapManager : public cc::SharedBitmapManager {
  public:
   HostSharedBitmapManager();
   ~HostSharedBitmapManager() override;
 
@@ skipping 32 matching lines @@
   BitmapMap handle_map_;
 
   typedef base::hash_map<base::ProcessHandle,
                          base::hash_set<cc::SharedBitmapId> > ProcessMap;
   ProcessMap process_map_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_HOST_SHARED_BITMAP_MANAGER_H_