replace OVERRIDE and FINAL with override and final in ash/

ash/keyboard_overlay/keyboard_overlay_delegate.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/keyboard_overlay/keyboard_overlay_delegate.h"
 
 #include <algorithm>
 
 #include "ash/shell.h"
 #include "base/bind.h"
@@ skipping 18 matching lines @@
 
 // A message handler for detecting the timing when the web contents is painted.
 class PaintMessageHandler
     : public WebUIMessageHandler,
       public base::SupportsWeakPtr<PaintMessageHandler> {
  public:
   explicit PaintMessageHandler(views::Widget* widget) : widget_(widget) {}
   virtual ~PaintMessageHandler() {}
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
+  virtual void RegisterMessages() override;
 
  private:
   void DidPaint(const base::ListValue* args);
 
   views::Widget* widget_;
 
   DISALLOW_COPY_AND_ASSIGN(PaintMessageHandler);
 };
 
 void PaintMessageHandler::RegisterMessages() {
@@ skipping 89 matching lines @@
 bool KeyboardOverlayDelegate::ShouldShowDialogTitle() const {
   return false;
 }
 
 bool KeyboardOverlayDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   return true;
 }
 
 }  // namespace ash