mash: Replace int ShelfIDs with AppLaunchID strings.

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

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 
 #include <memory>
 
 #include "ash/public/cpp/shelf_item.h"
 #include "ash/root_window_controller.h"
@@ skipping 72 matching lines @@
     ash::RootWindowController* root_window_controller =
         ash::Shell::GetRootWindowControllerWithDisplayId(display_id);
     EXPECT_NE(nullptr, root_window_controller);
     return root_window_controller->GetShelf();
   }
 
   LauncherContextMenu* CreateLauncherContextMenu(
       ash::ShelfItemType shelf_item_type,
       ash::WmShelf* wm_shelf) {
     ash::ShelfItem item;
-    item.id = 123;  // dummy id
+    item.id = ash::ShelfID("dummy id");
     item.type = shelf_item_type;
     return LauncherContextMenu::Create(controller(), &item, wm_shelf);
   }
 
   LauncherContextMenu* CreateLauncherContextMenuForDesktopShell(
       ash::WmShelf* wm_shelf) {
     return LauncherContextMenu::Create(controller(), nullptr, wm_shelf);
   }
 
   // Creates app window and set optional ARC application id.
@@ skipping 223 matching lines @@
       ash::TYPE_BROWSER_SHORTCUT, GetWmShelf(primary_id)));
   std::unique_ptr<LauncherContextMenu> secondary_menu(CreateLauncherContextMenu(
       ash::TYPE_BROWSER_SHORTCUT, GetWmShelf(secondary_id)));
   EXPECT_FALSE(IsItemPresentInMenu(primary_menu.get(),
                                    LauncherContextMenu::MENU_AUTO_HIDE));
   EXPECT_TRUE(IsItemPresentInMenu(secondary_menu.get(),
                                   LauncherContextMenu::MENU_AUTO_HIDE));
 }
 
 }  // namespace