replace OVERRIDE and FINAL with override and final in chrome/browser/[a-i]*

chrome/browser/browsing_data/mock_browsing_data_channel_id_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CHANNEL_ID_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CHANNEL_ID_HELPER_H_
 
 #include <map>
 #include <string>
 
 #include "chrome/browser/browsing_data/browsing_data_channel_id_helper.h"
 
 // Mock for BrowsingDataChannelIDHelper.
 class MockBrowsingDataChannelIDHelper
     : public BrowsingDataChannelIDHelper {
  public:
   MockBrowsingDataChannelIDHelper();
 
   // BrowsingDataChannelIDHelper methods.
-  virtual void StartFetching(const FetchResultCallback& callback) OVERRIDE;
-  virtual void DeleteChannelID(const std::string& server_id) OVERRIDE;
+  virtual void StartFetching(const FetchResultCallback& callback) override;
+  virtual void DeleteChannelID(const std::string& server_id) override;
 
   // Adds a channel_id sample.
   void AddChannelIDSample(const std::string& server_id);
 
   // Notifies the callback.
   void Notify();
 
   // Marks all channel_ids as existing.
   void Reset();
 
   // Returns true if all channel_ids since the last Reset() invocation
   // were deleted.
   bool AllDeleted();
 
  private:
   virtual ~MockBrowsingDataChannelIDHelper();
 
   FetchResultCallback callback_;
 
   net::ChannelIDStore::ChannelIDList channel_id_list_;
 
   // Stores which channel_ids exist.
   std::map<const std::string, bool> channel_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(MockBrowsingDataChannelIDHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CHANNEL_ID_HELPER_H_