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

chrome/browser/ui/toolbar/wrench_menu_model.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_TOOLBAR_WRENCH_MENU_MODEL_H_
 #define CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
 
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
-#include "chrome/browser/ui/toolbar/bookmark_sub_menu_model.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/base/models/button_menu_item_model.h"
 #include "ui/base/models/simple_menu_model.h"
 
+class BookmarkSubMenuModel;
 class Browser;
+class RecentTabsSubMenuModel;
 class TabStripModel;
 
 namespace {
 class MockWrenchMenuModel;
 }  // namespace
 
 // A menu model that builds the contents of an encoding menu.
 class EncodingMenuModel : public ui::SimpleMenuModel,
                           public ui::SimpleMenuModel::Delegate {
  public:
@@ skipping 125 matching lines @@
 
   // Label of the zoom label in the zoom menu item.
   string16 zoom_label_;
 
   // Tools menu.
   scoped_ptr<ToolsMenuModel> tools_menu_model_;
 
   // Bookmark submenu.
   scoped_ptr<BookmarkSubMenuModel> bookmark_sub_menu_model_;
 
+  // Recent Tabs submenu.
+  scoped_ptr<RecentTabsSubMenuModel> recent_tabs_sub_menu_model_;
+
   ui::AcceleratorProvider* provider_;  // weak
 
   Browser* browser_;  // weak
   TabStripModel* tab_strip_model_; // weak
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WrenchMenuModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_