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

ash/shelf/shelf_window_targeter.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_SHELF_SHELF_WINDOW_TARGETER_H_
 #define ASH_SHELF_SHELF_WINDOW_TARGETER_H_
 
-#include "ash/common/shelf/wm_shelf_observer.h"
+#include "ash/shelf/wm_shelf_observer.h"
 #include "base/macros.h"
 #include "ui/aura/window_observer.h"
 #include "ui/wm/core/easy_resize_window_targeter.h"
 
 namespace ash {
 
 class WmShelf;
 class WmWindow;
 
 // ShelfWindowTargeter makes it easier to resize windows with the mouse when the
@@ skipping 14 matching lines @@
   void WillChangeVisibilityState(ShelfVisibilityState new_state) override;
 
   WmShelf* shelf_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfWindowTargeter);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_WINDOW_TARGETER_H_