replace OVERRIDE and FINAL with override and final in athena/

athena/system/orientation_controller.h

 // Copyright 2014 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 ATHENA_SYSTEM_ORIENTATION_CONTROLLER_H_
 #define ATHENA_SYSTEM_ORIENTATION_CONTROLLER_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
     : public chromeos::AccelerometerReader::Delegate {
  public:
   OrientationController();
   virtual ~OrientationController();
 
   void InitWith(scoped_refptr<base::TaskRunner> blocking_task_runner);
   void Shutdown();
 
   // chromeos::AccelerometerReader::Delegate
   virtual void HandleAccelerometerUpdate(
-      const ui::AccelerometerUpdate& update) OVERRIDE;
+      const ui::AccelerometerUpdate& update) override;
 
  private:
   // The last configured rotation.
   gfx::Display::Rotation current_rotation_;
 
   scoped_ptr<chromeos::AccelerometerReader> accelerometer_reader_;
 
   DISALLOW_COPY_AND_ASSIGN(OrientationController);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_SYSTEM_ORIENTATION_CONTROLLER_H_