chromeos: Move files in //ash/common to //ash, part 2

ash/mus/drag_window_resizer.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_MUS_DRAG_WINDOW_RESIZER_H_
 #define ASH_MUS_DRAG_WINDOW_RESIZER_H_
 
 #include <memory>
 
-#include "ash/common/wm/window_resizer.h"
+#include "ash/wm/window_resizer.h"
 #include "base/macros.h"
 
 namespace ash {
 namespace mus {
 
 // DragWindowResizer is a decorator of WindowResizer and adds the ability to
 // drag windows across displays.
 class DragWindowResizer : public WindowResizer {
  public:
   DragWindowResizer(std::unique_ptr<WindowResizer> next_window_resizer,
                     wm::WindowState* window_state);
   ~DragWindowResizer() override;
 
   // WindowResizer:
   void Drag(const gfx::Point& location, int event_flags) override;
   void CompleteDrag() override;
   void RevertDrag() override;
 
  private:
   std::unique_ptr<WindowResizer> next_window_resizer_;
 
   DISALLOW_COPY_AND_ASSIGN(DragWindowResizer);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_DRAG_WINDOW_RESIZER_H_