replace OVERRIDE and FINAL with override and final in ash/

ash/system/tray/tray_event_filter.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_TRAY_EVENT_FILTER_H_
 #define ASH_SYSTEM_TRAY_TRAY_EVENT_FILTER_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 
 class TrayEventFilter : public ui::EventHandler {
  public:
   explicit TrayEventFilter();
   virtual ~TrayEventFilter();
 
   void AddWrapper(TrayBubbleWrapper* wrapper);
   void RemoveWrapper(TrayBubbleWrapper* wrapper);
 
   // Overridden from ui::EventHandler.
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
-  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
+  virtual void OnMouseEvent(ui::MouseEvent* event) override;
+  virtual void OnTouchEvent(ui::TouchEvent* event) override;
 
  private:
   // Returns true if the event is handled.
   bool ProcessLocatedEvent(ui::LocatedEvent* event);
 
   std::set<TrayBubbleWrapper*> wrappers_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayEventFilter);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_EVENT_FILTER_H_