Use mojo Shelf interfaces for both mash and classic ash.

chrome/browser/ui/ash/launcher/chrome_mash_shelf_controller.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 CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_MASH_SHELF_CONTROLLER_H_
-#define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_MASH_SHELF_CONTROLLER_H_
-
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "ash/public/interfaces/shelf.mojom.h"
-#include "chrome/browser/ui/app_icon_loader.h"
-#include "chrome/browser/ui/ash/launcher/launcher_controller_helper.h"
-#include "mojo/public/cpp/bindings/associated_binding.h"
-
-class ChromeShelfItemDelegate;
-
-// ChromeMashShelfController manages chrome's interaction with the mash shelf.
-class ChromeMashShelfController : public ash::mojom::ShelfObserver,
-                                  public AppIconLoaderDelegate {
- public:
-  ChromeMashShelfController();
-  ~ChromeMashShelfController() override;
-
-  void LaunchItem(const std::string& app_id);
-
- private:
-  void Init();
-
-  void PinAppsFromPrefs();
-
-  AppIconLoader* GetAppIconLoaderForApp(const std::string& app_id);
-
-  // ash::mojom::ShelfObserver:
-  void OnShelfCreated(int64_t display_id) override;
-  void OnAlignmentChanged(ash::ShelfAlignment alignment,
-                          int64_t display_id) override;
-  void OnAutoHideBehaviorChanged(ash::ShelfAutoHideBehavior auto_hide,
-                                 int64_t display_id) override;
-
-  // AppIconLoaderDelegate:
-  void OnAppImageUpdated(const std::string& app_id,
-                         const gfx::ImageSkia& image) override;
-
-  LauncherControllerHelper helper_;
-  ash::mojom::ShelfControllerPtr shelf_controller_;
-  mojo::AssociatedBinding<ash::mojom::ShelfObserver> observer_binding_;
-  std::map<std::string, std::unique_ptr<ChromeShelfItemDelegate>>
-      app_id_to_item_delegate_;
-
-  // Used to load the images for app items.
-  std::vector<std::unique_ptr<AppIconLoader>> app_icon_loaders_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeMashShelfController);
-};
-
-#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_MASH_SHELF_CONTROLLER_H_