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

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

Index: chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h
diff --git a/chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h b/chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h
index bcebea5ef10d472f8c446b2dd329c778ee9eac9f..e9ea416f50f069ce5f8b36c2837cf2c2b7ce2cf4 100644
--- a/chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h
+++ b/chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h
@@ -32,13 +32,12 @@ class ArcAppDeferredLauncherItemController : public LauncherItemController {
 
   int event_flags() const { return event_flags_; }
 
-  // ash::ShelfItemDelegate
-  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;
+  // LauncherItemController:
+  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;
 
  private: