replace OVERRIDE and FINAL with override and final in ash/

ash/test/test_user_wallpaper_delegate.h

 // Copyright 2013 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 ASH_TEST_TEST_USER_WALLPAPER_DELEGATE_H_
 #define ASH_TEST_TEST_USER_WALLPAPER_DELEGATE_H_
 
 #include "ash/default_user_wallpaper_delegate.h"
 
 #include "ui/gfx/image/image_skia.h"
 
 namespace ash {
 namespace test {
 
 class TestUserWallpaperDelegate : public DefaultUserWallpaperDelegate {
  public:
   TestUserWallpaperDelegate();
   virtual ~TestUserWallpaperDelegate();
 
   void set_custom_wallpaper(const gfx::ImageSkia& wallpaper) {
     custom_wallpaper_ = wallpaper;
   }
 
   // DefaultUserWallpaperDelegate overrides:
-  virtual void UpdateWallpaper(bool clear_cache) OVERRIDE;
+  virtual void UpdateWallpaper(bool clear_cache) override;
 
   // Returns and clears |update_wallpaper_count_|.
   int GetUpdateWallpaperCountAndReset();
 
  private:
   // Number of times that UpdateWallpaper() has been called.
   int update_wallpaper_count_;
 
   // If non-null, used as custom wallpaper by UpdateWallpaper().
   gfx::ImageSkia custom_wallpaper_;
 
   DISALLOW_COPY_AND_ASSIGN(TestUserWallpaperDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_USER_WALLPAPER_DELEGATE_H_