Rename gfx::Display to display::Display

ash/display/mirror_window_controller.h

 // Copyright (c) 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 ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
 #define ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 10 matching lines @@
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace aura {
 class Window;
 namespace client {
 class ScreenPositionClient;
 }
 }
 
-namespace gfx {
+namespace display {
 class Display;
 }
 
-namespace display {
-using Display = gfx::Display;
-}
-
 namespace ui {
 class Reflector;
 }
 
 namespace ash {
 class AshWindowTreeHost;
 class DisplayInfo;
 class RootWindowTransformer;
 
 namespace test{
@@ skipping 56 matching lines @@
   std::unique_ptr<aura::client::ScreenPositionClient> screen_position_client_;
 
   std::unique_ptr<ui::Reflector> reflector_;
 
   DISALLOW_COPY_AND_ASSIGN(MirrorWindowController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_