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

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

Index: chrome/browser/ui/ash/launcher/launcher_item_controller.h
diff --git a/chrome/browser/ui/ash/launcher/launcher_item_controller.h b/chrome/browser/ui/ash/launcher/launcher_item_controller.h
index 5c1c538c14dbdf4f4f725dfb8cadd36c2bb90af2..57c2352def3cbb60c887f96f62c400d1a3c13253 100644
--- a/chrome/browser/ui/ash/launcher/launcher_item_controller.h
+++ b/chrome/browser/ui/ash/launcher/launcher_item_controller.h
@@ -7,8 +7,8 @@
 
 #include <string>
 
-#include "ash/common/shelf/shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_item_types.h"
+#include "ash/public/interfaces/shelf.mojom.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "ui/events/event.h"
@@ -16,11 +16,13 @@
 class AppWindowLauncherItemController;
 class ChromeLauncherController;
 
+using MenuItemList = std::vector<ash::mojom::MenuItemPtr>;
+
 // LauncherItemController is used by ChromeLauncherController to track one
 // or more windows associated with a shelf item.
 // TODO (khmel): Consider using ash::AppLauncherId instead of pair
 // |app_id| and |launch_id|.
-class LauncherItemController : public ash::ShelfItemDelegate {
+class LauncherItemController : public ash::mojom::ShelfItemDelegate {
  public:
   LauncherItemController(const std::string& app_id,
                          const std::string& launch_id,
@@ -48,6 +50,9 @@ class LauncherItemController : public ash::ShelfItemDelegate {
     image_set_by_controller_ = image_set_by_controller;
   }
 
+  // Returns items for the application menu; used for convenience and testing.
+  virtual MenuItemList GetAppMenuItems(int event_flags);
+
   // Returns nullptr if class is not AppWindowLauncherItemController.
   virtual AppWindowLauncherItemController* AsAppWindowLauncherItemController();