Close avatar bubble when avatar button is clicked a second time

chrome/browser/ui/views/avatar_menu_button.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_VIEWS_AVATAR_MENU_BUTTON_H_
 #define CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUTTON_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 33 matching lines @@
   virtual void SetAvatarIcon(const gfx::Image& icon,
                              bool is_gaia_picture);
 
   void ShowAvatarBubble();
 
  private:
   // views::MenuButtonListener:
   virtual void OnMenuButtonClicked(views::View* source,
                                    const gfx::Point& point) OVERRIDE;
 
-  void ButtonClicked();
-
   Browser* browser_;
   bool incognito_;
   scoped_ptr<ui::MenuModel> menu_model_;
 
   // Use a scoped ptr because gfx::Image doesn't have a default constructor.
   scoped_ptr<gfx::Image> icon_;
   gfx::ImageSkia button_icon_;
   bool is_gaia_picture_;
   int old_height_;
 
   DISALLOW_COPY_AND_ASSIGN(AvatarMenuButton);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUTTON_H_