Revert "Clean up the WrenchMenuModel so that it uses SimpleMenu::Delegate."

chrome/browser/cocoa/wrench_menu_controller.h

Index: chrome/browser/cocoa/wrench_menu_controller.h
diff --git a/chrome/browser/cocoa/wrench_menu_controller.h b/chrome/browser/cocoa/wrench_menu_controller.h
index 65d32fc949bccb9155ded5ffa8733ada8901afaf..99f37438333361fdca5aa583f2d0e747ac94799e 100644
--- a/chrome/browser/cocoa/wrench_menu_controller.h
+++ b/chrome/browser/cocoa/wrench_menu_controller.h
@@ -40,16 +40,12 @@ class ZoomLevelObserver;
   IBOutlet NSButton* zoomMinus_;
   IBOutlet NSButton* zoomFullScreen_;
 
-  WrenchMenuModel* wrench_model_;
-
   scoped_ptr<WrenchMenuControllerInternal::ZoomLevelObserver> observer_;
 }
 
 // Designated initializer; called within the NIB.
 - (id)init;
 
-- (void)setWrenchMenuModel:(WrenchMenuModel*)model;
-
 // Used to dispatch commands from the Wrench menu. The custom items within the
 // menu cannot be hooked up directly to First Responder because the window in
 // which the controls reside is not the BrowserWindowController, but a
@@ -59,6 +55,9 @@ class ZoomLevelObserver;
 // Returns the weak reference to the WrenchMenuModel.
 - (WrenchMenuModel*)wrenchMenuModel;
 
+// Inserts the update available notification menu item.
+- (void)insertUpdateAvailableItem;
+
 @end
 
 ////////////////////////////////////////////////////////////////////////////////