Shuffles and renames ash/common/wm classes

ash/wm/aura/wm_shelf_aura.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_AURA_WM_SHELF_AURA_H_
-#define ASH_WM_AURA_WM_SHELF_AURA_H_
-
-#include "ash/ash_export.h"
-#include "ash/common/wm/shelf/wm_shelf.h"
-#include "ash/shelf/shelf_icon_observer.h"
-#include "ash/shelf/shelf_layout_manager_observer.h"
-#include "base/macros.h"
-#include "base/observer_list.h"
-
-namespace ash {
-
-class Shelf;
-class ShelfLayoutManager;
-
-namespace wm {
-
-// Aura implementation of WmShelf.
-class ASH_EXPORT WmShelfAura : public WmShelf,
-                               public ShelfLayoutManagerObserver,
-                               public ShelfIconObserver {
- public:
-  explicit WmShelfAura(Shelf* shelf);
-  ~WmShelfAura() override;
-
-  static Shelf* GetShelf(WmShelf* shelf);
-
- private:
-  // WmShelf:
-  WmWindow* GetWindow() override;
-  ShelfAlignment GetAlignment() const override;
-  ShelfBackgroundType GetBackgroundType() const override;
-  void UpdateVisibilityState() override;
-  ShelfVisibilityState GetVisibilityState() const override;
-  void UpdateIconPositionForWindow(WmWindow* window) override;
-  gfx::Rect GetScreenBoundsOfItemIconForWindow(wm::WmWindow* window) override;
-  void AddObserver(WmShelfObserver* observer) override;
-  void RemoveObserver(WmShelfObserver* observer) override;
-
-  // ShelfLayoutManagerObserver:
-  void WillDeleteShelfLayoutManager() override;
-  void OnBackgroundUpdated(wm::ShelfBackgroundType background_type,
-                           BackgroundAnimatorChangeType change_type) override;
-  void WillChangeVisibilityState(ShelfVisibilityState new_state) override;
-
-  // ShelfIconObserver:
-  void OnShelfIconPositionsChanged() override;
-
-  Shelf* shelf_;
-  base::ObserverList<WmShelfObserver> observers_;
-  // ShelfLayoutManager is cached separately as it may be destroyed before
-  // WmShelfAura.
-  ShelfLayoutManager* shelf_layout_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(WmShelfAura);
-};
-
-}  // namespace wm
-}  // namespace ash
-
-#endif  // ASH_WM_AURA_WM_SHELF_AURA_H_