Moves RootWindowControllerCommon and LayoutManager to common

mash/wm/container_ids.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 MASH_WM_CONTAINER_IDS_H_
 #define MASH_WM_CONTAINER_IDS_H_
 
 #include <stddef.h>
 
 namespace ash {
 namespace mojom {
 enum class Container;
 }
 }
 
 namespace mash {
 namespace wm {
 // Id used when there is no corresponding ash container.
 const int kUnknownAshId = -1;
 
 // The set of containers that allow their children to be active.
 extern const ash::mojom::Container kActivationContainers[];
 
 // Number of kActivationContainers.
 extern const size_t kNumActivationContainers;
 
-// Converts window ids between ash (ash/common/wm/wm_shell_window_ids.h) and
+// Converts window ids between ash (ash/common/shell_window_ids.h) and
 // mash.
 ash::mojom::Container AshContainerToMashContainer(int shell_window_id);
 int MashContainerToAshContainer(ash::mojom::Container container);
 
 }  // namespace wm
 }  // namespace mash
 
 #endif  // MASH_WM_CONTAINER_IDS_H_