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

chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h

Index: chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
diff --git a/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h b/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
index 9b5f924388411c77c33bc6a5550624205e2dbb9f..2d9a8e30f50b3f7fd4688a2ef73275410415e9ed 100644
--- a/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
+++ b/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
@@ -44,12 +44,11 @@ class AppWindowLauncherItemController : public LauncherItemController,
 
   // LauncherItemController overrides:
   AppWindowLauncherItemController* AsAppWindowLauncherItemController() override;
-  ash::ShelfAction ItemSelected(ui::EventType event_type,
-                                int event_flags,
-                                int64_t display_id,
-                                ash::ShelfLaunchSource source) override;
-  ash::ShelfAppMenuItemList GetAppMenuItems(int event_flags) override;
-  void ExecuteCommand(uint32_t command_id, int event_flags) override;
+  void ItemSelected(std::unique_ptr<ui::Event> event,
+                    int64_t display_id,
+                    ash::ShelfLaunchSource source,
+                    const ItemSelectedCallback& callback) override;
+  void ExecuteCommand(uint32_t command_id, int32_t event_flags) override;
   void Close() override;
 
   // aura::WindowObserver overrides: