Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/common/wm_layout_manager.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_LAYOUT_MANAGER_H_
-#define ASH_WM_LAYOUT_MANAGER_H_
+#ifndef ASH_COMMON_WM_LAYOUT_MANAGER_H_
+#define ASH_COMMON_WM_LAYOUT_MANAGER_H_
 
 #include "ash/ash_export.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ash {
 
 class WmWindow;
@@ skipping 28 matching lines @@
   // Invoked when WmWindow::SetBounds() is called on |child|. This allows the
   // WmLayoutManager to modify the bounds as appropriate before processing the
   // request, including ignoring the request. Implementation must call
   // SetChildBoundsDirect() so that an infinite loop does not result.
   virtual void SetChildBounds(WmWindow* child,
                               const gfx::Rect& requested_bounds) = 0;
 };
 
 }  // namespace ash
 
-#endif  // ASH_WM_LAYOUT_MANAGER_H_
+#endif  // ASH_COMMON_WM_LAYOUT_MANAGER_H_