replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/activity_log/hashed_ad_network_database.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_EXTENSIONS_ACTIVITY_LOG_HASHED_AD_NETWORK_DATABASE_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_HASHED_AD_NETWORK_DATABASE_H_
 
 #include "chrome/browser/extensions/activity_log/ad_network_database.h"
 
 namespace extensions {
 
 // The standard ("real") implementation of the AdNetworkDatabase, which stores
 // a list of hashes of ad networks.
 class HashedAdNetworkDatabase : public AdNetworkDatabase {
  public:
   HashedAdNetworkDatabase();
   virtual ~HashedAdNetworkDatabase();
 
   void set_entries_for_testing(const char** entries, int num_entries) {
     entries_ = entries;
     num_entries_ = num_entries;
   }
 
  private:
   // AdNetworkDatabase implementation.
-  virtual bool IsAdNetwork(const GURL& url) const OVERRIDE;
+  virtual bool IsAdNetwork(const GURL& url) const override;
 
   // Points to the array of hash entries. In practice, this is always set to
   // kHashedAdNetworks, but is exposed via set_entries_for_testing().
   const char** entries_;
 
   // The number of entries.
   int num_entries_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_HASHED_AD_NETWORK_DATABASE_H_