[Mac] Minor tweaks to the Wrench menu.

chrome/browser/wrench_menu_model.h

 // Copyright (c) 2010 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_WRENCH_MENU_MODEL_H_
 #define CHROME_BROWSER_WRENCH_MENU_MODEL_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 60 matching lines @@
                              bool user_gesture);
   virtual void TabReplacedAt(TabContents* old_contents,
                              TabContents* new_contents, int index);
   virtual void TabStripModelDeleted();
 
   // Overridden from NotificationObserver:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
+  // Getters.
+  Browser* browser() const { return browser_; }
+
  private:
   // Testing constructor used for mocking.
   friend class ::MockWrenchMenuModel;
   WrenchMenuModel() : menus::SimpleMenuModel(NULL) {}
 
   void Build();
 
   // Adds custom items to the menu. Deprecated in favor of a cross platform
   // model for button items.
   void CreateCutCopyPaste();
@@ skipping 21 matching lines @@
 
   Browser* browser_;  // weak
   TabStripModel* tabstrip_model_; // weak
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WrenchMenuModel);
 };
 
 #endif  // CHROME_BROWSER_WRENCH_MENU_MODEL_H_