mash: Move ash/common/wm/shelf to ash/common/shelf

ash/shelf/shelf_types.h

-// Copyright (c) 2012 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_SHELF_SHELF_TYPES_H_
-#define ASH_SHELF_SHELF_TYPES_H_
-
-// TODO(sky): make callers explicitly include this.
-#include "ash/common/wm/shelf/wm_shelf_types.h"
-
-namespace ash {
-
-enum ShelfAutoHideBehavior {
-  // Always auto-hide.
-  SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
-
-  // Never auto-hide.
-  SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
-
-  // Always hide.
-  SHELF_AUTO_HIDE_ALWAYS_HIDDEN,
-};
-
-enum ShelfAutoHideState {
-  SHELF_AUTO_HIDE_SHOWN,
-  SHELF_AUTO_HIDE_HIDDEN,
-};
-
-}  // namespace ash
-
-#endif  // ASH_SHELF_SHELF_TYPES_H_