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

ash/wm/window_positioning_utils.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_COMMON_WM_WINDOW_POSITIONING_UTILS_H_
-#define ASH_COMMON_WM_WINDOW_POSITIONING_UTILS_H_
+#ifndef ASH_WM_WINDOW_POSITIONING_UTILS_H_
+#define ASH_WM_WINDOW_POSITIONING_UTILS_H_
 
 #include "ash/ash_export.h"
 
 namespace display {
 class Display;
 }
 
 namespace gfx {
 class Rect;
 class Size;
@@ skipping 43 matching lines @@
 
 // Sets the bounds of |window| to |bounds_in_screen|. This may move |window|
 // to |display| if necessary.
 ASH_EXPORT void SetBoundsInScreen(WmWindow* window,
                                   const gfx::Rect& bounds_in_screen,
                                   const display::Display& display);
 
 }  // namespace wm
 }  // namespace ash
 
-#endif  // ASH_COMMON_WM_WINDOW_POSITIONING_UTILS_H_
+#endif  // ASH_WM_WINDOW_POSITIONING_UTILS_H_