C++11 override style change for athena

athena/main/athena_frame_view.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_COMMON_ATHENA_FRAME_VIEW_H_
 #define ATHENA_COMMON_ATHENA_FRAME_VIEW_H_
 
 #include "ui/views/window/non_client_view.h"
 
 namespace views {
 class Widget;
 }
 
 namespace athena {
 
 // A NonClientFrameView used for non activity window.
 // TODO(oshima): Move this to athena/util and share the code.
 class AthenaFrameView : public views::NonClientFrameView {
  public:
   // The frame class name.
   static const char kViewClassName[];
 
   explicit AthenaFrameView(views::Widget* frame);
-  virtual ~AthenaFrameView();
+  ~AthenaFrameView() override;
 
   // views::NonClientFrameView overrides:
   virtual gfx::Rect GetBoundsForClientView() const override;
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const override;
   virtual int NonClientHitTest(const gfx::Point& point) override;
   virtual void GetWindowMask(const gfx::Size& size,
                              gfx::Path* window_mask) override {}
   virtual void ResetWindowControls() override {}
   virtual void UpdateWindowIcon() override {}
@@ skipping 13 matching lines @@
 
   // Not owned.
   views::Widget* frame_;
 
   DISALLOW_COPY_AND_ASSIGN(AthenaFrameView);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_COMMON_ATHENA_FRAME_VIEW_H_