Moves mash/wm into ash/mus

mash/wm/shelf_layout_impl.h

-// Copyright 2015 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_SHELF_LAYOUT_IMPL_H_
-#define MASH_WM_SHELF_LAYOUT_IMPL_H_
-
-#include "ash/public/interfaces/shelf_layout.mojom.h"
-#include "base/macros.h"
-
-namespace mash {
-namespace wm {
-
-class RootWindowController;
-
-// Implements the ShelfLayout mojo interface to listen for layout changes from
-// the system UI application.
-class ShelfLayoutImpl : public ash::mojom::ShelfLayout {
- public:
-  ShelfLayoutImpl();
-  ~ShelfLayoutImpl() override;
-
-  void Initialize(RootWindowController* root_controller);
-
- private:
-  // Overridden from mojom::ShelfLayout:
-  void SetAlignment(mash::shelf::mojom::Alignment alignment) override;
-  void SetAutoHideBehavior(
-      mash::shelf::mojom::AutoHideBehavior auto_hide) override;
-
-  RootWindowController* root_controller_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfLayoutImpl);
-};
-
-}  // namespace wm
-}  // namespace mash
-
-#endif  // MASH_WM_SHELF_LAYOUT_IMPL_H_