mash: Remove shelf app menu item objects.

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 b7581f7912b5b0282e55b73dee0b36608ff9d85f..9b5f924388411c77c33bc6a5550624205e2dbb9f 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
@@ -23,10 +23,10 @@ class BaseWindow;
 
 class ChromeLauncherController;
 
-// This is a LauncherItemController for abstract app windows. There is one
-// instance per app, per launcher id. For apps with multiple windows, each item
-// controller keeps track of all windows associated with the app and their
-// activation order. Instances are owned by ash::ShelfModel.
+// This is a LauncherItemController for abstract app windows (extension or ARC).
+// There is one instance per app, per launcher id. For apps with multiple
+// windows, each item controller keeps track of all windows associated with the
+// app and their activation order. Instances are owned by ash::ShelfModel.
 //
 // Tests are in chrome_launcher_controller_impl_browsertest.cc
 class AppWindowLauncherItemController : public LauncherItemController,
@@ -49,6 +49,7 @@ class AppWindowLauncherItemController : public LauncherItemController,
                                 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 Close() override;
 
   // aura::WindowObserver overrides: