C++11 override style change for athena

athena/input/input_manager_impl.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_INPUT_INPUT_MANAGER_IMPL_H_
 #define ATHENA_INPUT_INPUT_MANAGER_IMPL_H_
 
 #include "athena/input/public/input_manager.h"
 
 #include "athena/athena_export.h"
 #include "athena/input/accelerator_manager_impl.h"
 #include "ui/aura/client/event_client.h"
 #include "ui/events/event_target.h"
 
 namespace athena {
 class PowerButtonController;
 
 namespace test {
 class ScopedPowerButtonTimeoutShortener;
 }
 
 class ATHENA_EXPORT InputManagerImpl : public InputManager,
                                        public ui::EventTarget,
                                        public aura::client::EventClient {
  public:
   InputManagerImpl();
-  virtual ~InputManagerImpl();
+  ~InputManagerImpl() override;
 
   void Init();
   void Shutdown();
 
  private:
   friend class test::ScopedPowerButtonTimeoutShortener;
 
   // InputManager:
   virtual void OnRootWindowCreated(aura::Window* root_window) override;
   virtual ui::EventTarget* GetTopmostEventTarget() override;
@@ skipping 18 matching lines @@
 
   scoped_ptr<AcceleratorManagerImpl> accelerator_manager_;
   scoped_ptr<PowerButtonController> power_button_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(InputManagerImpl);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_INPUT_INPUT_MANAGER_IMPL_H_