replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/system/device_change_handler.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 CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/system/pointer_device_observer.h"
 
 namespace chromeos {
 namespace system {
 
 // Observes changes in device hierarchy. When a new touchpad/mouse is attached,
 // applies the last used touchpad/mouse settings to the system.
 class DeviceChangeHandler : public PointerDeviceObserver::Observer {
  public:
   DeviceChangeHandler();
   virtual ~DeviceChangeHandler();
 
  private:
   // PointerDeviceObserver::Observer implementation.
-  virtual void TouchpadExists(bool exists) OVERRIDE;
-  virtual void MouseExists(bool exists) OVERRIDE;
+  virtual void TouchpadExists(bool exists) override;
+  virtual void MouseExists(bool exists) override;
 
   scoped_ptr<PointerDeviceObserver> pointer_device_observer_;
 };
 
 }  // namespace system
 }  // namespace chromeos
 
 
 #endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_