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

chrome/browser/ui/views/wrench_menu.h

Index: chrome/browser/ui/views/wrench_menu.h
diff --git a/chrome/browser/ui/views/wrench_menu.h b/chrome/browser/ui/views/wrench_menu.h
index 31227ce0ee716018d07a7af4a2d91134eca5d5e3..76a2ff9ab22674b63d7b2a85d9404507ea72df3b 100644
--- a/chrome/browser/ui/views/wrench_menu.h
+++ b/chrome/browser/ui/views/wrench_menu.h
@@ -17,6 +17,7 @@
 
 class BookmarkMenuDelegate;
 class Browser;
+class RecentTabsMenuModelDelegate;
 
 namespace views {
 class MenuButton;
@@ -148,6 +149,9 @@ class WrenchMenu : public views::MenuDelegate,
   // 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_;