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

ash/common/wm/container_finder.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_CONTAINER_FINDER_H_
-#define ASH_COMMON_WM_CONTAINER_FINDER_H_
-
-#include <vector>
-
-#include "ash/ash_export.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace ash {
-
-class WmWindow;
-
-namespace wm {
-
-// Returns the first ancestor of |window| that has a known container ID.
-ASH_EXPORT WmWindow* GetContainerForWindow(WmWindow* window);
-
-// Returns the parent to add |window| to in |context|. This is generally
-// used when a window is moved from one root to another. In this case |context|
-// is the new root to add |window| to.
-ASH_EXPORT WmWindow* GetDefaultParent(WmWindow* context,
-                                      WmWindow* window,
-                                      const gfx::Rect& bounds);
-
-// Returns the list of containers that match |container_id| in all root windows.
-// If |priority_root| is non-null, the container in |priority_root| is placed at
-// the front of the list.
-ASH_EXPORT std::vector<WmWindow*> GetContainersFromAllRootWindows(
-    int container_id,
-    WmWindow* priority_root = nullptr);
-
-}  // namespace wm
-}  // namespace ash
-
-#endif  // ASH_COMMON_WM_CONTAINER_FINDER_H_