mash: Remove shelf app menu item objects.

chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc

Index: chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc
index a5dea34960677a6dafba679933ac1a58587ab0bd..5acc535be06b02758bd1c55977599f654b9ad801 100644
--- a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc
+++ b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.cc
@@ -10,7 +10,6 @@
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_utils.h"
 #include "chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h"
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/launcher_controller_helper.h"
 #include "ui/aura/window.h"
@@ -56,6 +55,7 @@ ash::ShelfAction ArcAppWindowLauncherItemController::ItemSelected(
 ash::ShelfAppMenuItemList ArcAppWindowLauncherItemController::GetAppMenuItems(
     int event_flags) {
   ash::ShelfAppMenuItemList items;
+  CHECK_LT(windows().size(), std::numeric_limits<uint32_t>::max());
   base::string16 app_title = LauncherControllerHelper::GetAppTitle(
       launcher_controller()->profile(), app_id());
   for (auto it = windows().begin(); it != windows().end(); ++it) {
@@ -63,10 +63,11 @@ ash::ShelfAppMenuItemList ArcAppWindowLauncherItemController::GetAppMenuItems(
     size_t i = std::distance(windows().begin(), it);
     gfx::Image image;
     aura::Window* window = (*it)->GetNativeWindow();
-    items.push_back(base::MakeUnique<ChromeLauncherAppMenuItemV2App>(
+    items.push_back(base::MakeUnique<ash::ShelfApplicationMenuItem>(
+        base::checked_cast<uint32_t>(i),
         ((window && !window->GetTitle().empty()) ? window->GetTitle()
                                                  : app_title),
-        &image, app_id(), launcher_controller(), i));
+        &image));
   }
   return items;
 }