mash: Remove shelf app menu item objects.

chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.cc

-// Copyright (c) 2012 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/chrome_launcher_app_menu_item_v2app.h"
-
-#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
-
-ChromeLauncherAppMenuItemV2App::ChromeLauncherAppMenuItemV2App(
-    const base::string16 title,
-    const gfx::Image* icon,
-    const std::string& app_id,
-    ChromeLauncherController* launcher_controller,
-    int app_index)
-    : ash::ShelfApplicationMenuItem(title, icon),
-      launcher_controller_(launcher_controller),
-      app_id_(app_id),
-      app_index_(app_index) {}
-
-ChromeLauncherAppMenuItemV2App::~ChromeLauncherAppMenuItemV2App() {}
-
-void ChromeLauncherAppMenuItemV2App::Execute(int event_flags) {
-  // Note: At this time there is only a single app running at any point. as
-  // such we will never come here with usable |event_flags|. If that ever
-  // changes we should add some special close code here.
-  // Note: If the application item did go away since the menu was created,
-  // The controller will take care of it.
-  launcher_controller_->ActivateShellApp(app_id_, app_index_);
-}