Rename gfx::Display to display::Display

ash/wm/common/wm_window.h

 // Copyright 2016 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_WM_COMMON_WM_WINDOW_H_
 #define ASH_WM_COMMON_WM_WINDOW_H_
 
 #include <memory>
 #include <vector>
 
 #include "ash/wm/common/ash_wm_common_export.h"
 #include "base/time/time.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/wm/core/window_animations.h"
 #include "ui/wm/public/window_types.h"
 
+namespace display {
+class Display;
+}
+
 namespace gfx {
-class Display;
 class Point;
 class Rect;
 class Size;
 }
 
-namespace display {
-using Display = gfx::Display;
-}
-
 namespace ui {
 class Layer;
 }
 
 namespace ash {
 namespace wm {
 
 class WMEvent;
 class WmGlobals;
 class WmLayoutManager;
@@ skipping 158 matching lines @@
   virtual void RemoveObserver(WmWindowObserver* observer) = 0;
 
  protected:
   virtual ~WmWindow() {}
 };
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_COMMON_WM_WINDOW_H_