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

chrome/browser/bitmap_fetcher/bitmap_fetcher_service_factory.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_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
 class BitmapFetcherService;
 
 class BitmapFetcherServiceFactory : BrowserContextKeyedServiceFactory {
  public:
   // TODO(groby): Maybe make this GetForProfile?
   static BitmapFetcherService* GetForBrowserContext(
       content::BrowserContext* context);
   static BitmapFetcherServiceFactory* GetInstance();
 
  private:
   friend struct DefaultSingletonTraits<BitmapFetcherServiceFactory>;
 
   BitmapFetcherServiceFactory();
   virtual ~BitmapFetcherServiceFactory();
 
   // BrowserContextKeyedServiceFactory:
   virtual KeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* context) const OVERRIDE;
+      content::BrowserContext* context) const override;
 
   DISALLOW_COPY_AND_ASSIGN(BitmapFetcherServiceFactory);
 };
 
 #endif  // CHROME_BROWSER_BITMAP_FETCHER_BITMAP_FETCHER_SERVICE_FACTORY_H_