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 c218b3435a8f190833abfe1047f86e9eab4dd836..7f13609b28f5dc910656719c43af20fe16c16f6d 100644
--- a/chrome/browser/ui/views/wrench_menu.h
+++ b/chrome/browser/ui/views/wrench_menu.h
@@ -96,6 +96,7 @@ class WrenchMenu : public views::MenuDelegate,
 
  private:
   class CutCopyPasteView;
+  class RecentTabsMenuModelDelegate;
   class ZoomView;
 
   typedef std::pair<ui::MenuModel*,int> Entry;
@@ -160,6 +161,9 @@ 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_;