chromeos: Move files in //ash/common to //ash

ash/wm/window_positioner.h

 // Copyright 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_COMMON_WM_WINDOW_POSITIONER_H_
-#define ASH_COMMON_WM_WINDOW_POSITIONER_H_
+#ifndef ASH_WM_WINDOW_POSITIONER_H_
+#define ASH_WM_WINDOW_POSITIONER_H_
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
 #include "ui/base/ui_base_types.h"
 
 namespace display {
 class Display;
 }
 
 namespace gfx {
@@ skipping 104 matching lines @@
 
   // The last used position.
   int last_popup_position_x_;
   int last_popup_position_y_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowPositioner);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_WM_WINDOW_POSITIONER_H_
+#endif  // ASH_WM_WINDOW_POSITIONER_H_