mash: Use mojo for ShelfItemDelegate and [app] MenuItem.

chrome/browser/ui/ash/launcher/extension_app_window_launcher_item_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_EXTENSION_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_EXTENSION_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 12 matching lines @@
   ExtensionAppWindowLauncherItemController(
       const std::string& app_id,
       const std::string& launch_id,
       ChromeLauncherController* controller);
 
   ~ExtensionAppWindowLauncherItemController() override;
 
   void AddAppWindow(extensions::AppWindow* app_window);
 
   // AppWindowLauncherItemController:
-  ash::ShelfAppMenuItemList GetAppMenuItems(int event_flags) override;
-  void ExecuteCommand(uint32_t command_id, int event_flags) override;
+  std::vector<ash::mojom::MenuItemPtr> GetAppMenuItems(
+      int event_flags) override;
+  void ExecuteCommand(uint32_t command_id, int32_t event_flags) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionAppWindowLauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_EXTENSION_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_