replace OVERRIDE and FINAL with override and final in ash/

ash/desktop_background/wallpaper_resizer_unittest.cc

 // 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.
 
 #include "ash/desktop_background/wallpaper_resizer.h"
 
 #include "ash/desktop_background/wallpaper_resizer_observer.h"
 #include "base/message_loop/message_loop.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 61 matching lines @@
     resizer->StartResize();
     WaitForResize();
     resizer->RemoveObserver(this);
     return resizer->image();
   }
 
   void WaitForResize() {
     message_loop_.Run();
   }
 
-  virtual void OnWallpaperResized() OVERRIDE {
+  virtual void OnWallpaperResized() override {
     message_loop_.Quit();
   }
 
  private:
   base::MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperResizerTest);
 };
 
@@ skipping 55 matching lines @@
   WallpaperResizer resizer(image, gfx::Size(10, 20), WALLPAPER_LAYOUT_STRETCH);
   EXPECT_EQ(WallpaperResizer::GetImageId(image), resizer.original_image_id());
   resizer.AddObserver(this);
   resizer.StartResize();
   WaitForResize();
   resizer.RemoveObserver(this);
   EXPECT_EQ(WallpaperResizer::GetImageId(image), resizer.original_image_id());
 }
 
 }  // namespace ash