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

chrome/browser/ui/zoom/chrome_zoom_level_prefs.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
 
 #include <sstream>
 
 #include "base/bind.h"
 #include "base/prefs/json_pref_store.h"
 #include "base/prefs/pref_filter.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service_factory.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/host_zoom_map.h"
 #include "content/public/common/page_zoom.h"
 
 namespace {
 
 std::string GetHash(
     const base::FilePath& relative_path) {
   size_t int_key =
-#if defined(COMPILER_MSVC)
-      BASE_HASH_NAMESPACE::hash_value(relative_path);
-#else
       BASE_HASH_NAMESPACE::hash<base::FilePath>()(relative_path);
-#endif  // COMPILER
   return base::SizeTToString(int_key);
 }
 
 }  // namespace
 
 namespace chrome {
 
 ChromeZoomLevelPrefs::ChromeZoomLevelPrefs(PrefService* pref_service,
                                            const base::FilePath& profile_path)
     : pref_service_(pref_service),
@@ skipping 151 matching lines @@
     base::DictionaryValue* host_zoom_dictionaries = update.Get();
     base::DictionaryValue* host_zoom_dictionary = nullptr;
     host_zoom_dictionaries->GetDictionary(partition_key_,
                                           &host_zoom_dictionary);
     for (const std::string& s : keys_to_remove)
       host_zoom_dictionary->RemoveWithoutPathExpansion(s, nullptr);
   }
 }
 
 }  // namespace chrome