replace OVERRIDE and FINAL with override and final in ash/

ash/desktop_background/desktop_background_controller_unittest.cc

 // Copyright (c) 2012 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/desktop_background_controller.h"
 
 #include <cmath>
 #include <cstdlib>
 
 #include "ash/ash_switches.h"
@@ skipping 55 matching lines @@
 }  // namespace
 
 class DesktopBackgroundControllerTest : public test::AshTestBase {
  public:
   DesktopBackgroundControllerTest()
       : controller_(NULL),
         wallpaper_delegate_(NULL) {
   }
   virtual ~DesktopBackgroundControllerTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     test::AshTestBase::SetUp();
     // Ash shell initialization creates wallpaper. Reset it so we can manually
     // control wallpaper creation and animation in our tests.
     RootWindowController* root_window_controller =
         Shell::GetPrimaryRootWindowController();
     root_window_controller->SetWallpaperController(NULL);
     root_window_controller->SetAnimatingWallpaperController(NULL);
     controller_ = Shell::GetInstance()->desktop_background_controller();
     wallpaper_delegate_ = static_cast<test::TestUserWallpaperDelegate*>(
         Shell::GetInstance()->user_wallpaper_delegate());
@@ skipping 253 matching lines @@
 
   // Maximum width and height belongs to different displays.
   UpdateDisplay("400x300,100x500");
   EXPECT_EQ(
       "400x500",
       DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
 }
 
 
 }  // namespace ash