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

chrome/browser/chromeos/customization_wallpaper_downloader.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_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_
 #define CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_
 
 #include <string>
 
 #include "base/bind.h"
@@ skipping 32 matching lines @@
       const base::FilePath& wallpaper_downloaded_file,
       base::Callback<void(bool success, const GURL&)>
           on_wallpaper_fetch_completed);
 
   virtual ~CustomizationWallpaperDownloader();
 
   // Start download.
   void Start();
 
   // net::URLFetcherDelegate
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // This is called in tests to modify (lower) retry delay.
   void set_retry_delay_for_testing(base::TimeDelta value) {
     retry_delay_ = value;
   }
 
   base::TimeDelta retry_current_delay_for_testing() const {
     return retry_current_delay_;
   }
 
@@ skipping 45 matching lines @@
   base::Callback<void(bool success, const GURL&)> on_wallpaper_fetch_completed_;
 
   base::WeakPtrFactory<CustomizationWallpaperDownloader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomizationWallpaperDownloader);
 };
 
 }  //   namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_