alternate ntp: add "Recent Tabs" submenu to wrench menu

chrome/browser/ui/views/wrench_menu.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_
 #define CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_
 
 #include <map>
 #include <utility>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/views/controls/menu/menu_delegate.h"
 
 class BookmarkMenuDelegate;
 class Browser;
+class RecentTabsMenuModelDelegate;
 
 namespace views {
 class MenuButton;
 class MenuItemView;
 class MenuRunner;
 class View;
 }  // namespace views
 
 // WrenchMenu adapts the WrenchMenuModel to view's menu related classes.
 class WrenchMenu : public views::MenuDelegate,
@@ skipping 111 matching lines @@
 
   // Used for managing the bookmark menu items.
   scoped_ptr<BookmarkMenuDelegate> bookmark_menu_delegate_;
 
   // Menu corresponding to IDC_BOOKMARKS_MENU.
   views::MenuItemView* bookmark_menu_;
 
   // Menu corresponding to IDC_FEEDBACK.
   views::MenuItemView* feedback_menu_item_;
 
+  // Used for managing "Recent tabs" menu items.
+  scoped_ptr<RecentTabsMenuModelDelegate> recent_tabs_menu_model_delegate_;
+
   // ID to use for the items representing bookmarks in the bookmark menu.
   int first_bookmark_command_id_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WrenchMenu);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_