Align base::hash_map with C++11.

chrome/browser/safe_browsing/protocol_manager.h

 // Copyright (c) 2012 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 CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 
 // A class that implements Chrome's interface with the SafeBrowsing protocol.
 // See https://developers.google.com/safe-browsing/developers_guide_v2 for
 // protocol details.
@@ skipping 18 matching lines @@
 #include "chrome/browser/safe_browsing/protocol_parser.h"
 #include "chrome/browser/safe_browsing/safe_browsing_util.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }  // namespace net
 
-#if defined(COMPILER_GCC)
-// Allows us to use URLFetchers in a hash_map with gcc (MSVC is okay without
-// specifying this).
-namespace BASE_HASH_NAMESPACE {
-template<>
-struct hash<const net::URLFetcher*> {
-  size_t operator()(const net::URLFetcher* fetcher) const {
-    return reinterpret_cast<size_t>(fetcher);
-  }
-};
-}
-#endif
-
 class SBProtocolManagerFactory;
 class SafeBrowsingProtocolManagerDelegate;
 
 class SafeBrowsingProtocolManager : public net::URLFetcherDelegate,
                                     public base::NonThreadSafe {
  public:
   // FullHashCallback is invoked when GetFullHash completes.
   // Parameters:
   //   - The vector of full hash results. If empty, indicates that there
   //     were no matches, and that the resource is safe.
@@ skipping 383 matching lines @@
   virtual void AddChunks(const std::string& list,
                          scoped_ptr<ScopedVector<SBChunkData> > chunks,
                          AddChunksCallback callback) = 0;
 
   // Delete chunks from the database.
   virtual void DeleteChunks(
       scoped_ptr<std::vector<SBChunkDelete> > chunk_deletes) = 0;
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_