Add shortcut to show avatar menu

chrome/browser/ui/gtk/browser_titlebar.h

 // Copyright (c) 2011 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.
 //
 // A helper class that contains the gtk widgets that make up the titlebar.  The
 // titlebar consists of the tabstrip and if the custom chrome frame is turned
 // on, it includes the taller titlebar and minimize, restore, maximize, and
 // close buttons.
 
 #ifndef CHROME_BROWSER_UI_GTK_BROWSER_TITLEBAR_H_
@@ skipping 49 matching lines @@
   // Called by the browser asking us to update the loading throbber.
   // |tab_contents| is the tab that is associated with the window throbber.
   // |tab_contents| can be null.
   void UpdateThrobber(TabContents* tab_contents);
 
   // On Windows, right clicking in the titlebar background brings up the system
   // menu.  There's no such thing on linux, so we just show the menu items we
   // add to the menu.
   void ShowContextMenu(GdkEventButton* event);
 
+  AvatarMenuButtonGtk* avatar_button() { return avatar_button_.get(); }
+
  private:
   // A helper class to keep track of which frame of the throbber animation
   // we're showing.
   class Throbber {
    public:
     Throbber() : current_frame_(0), current_waiting_frame_(0) {}
 
     // Get the next frame in the animation. The image is owned by the throbber
     // so the caller doesn't need to unref.  |is_waiting| is true if we're
     // still waiting for a response.
@@ skipping 191 matching lines @@
   // The avatar button.
   scoped_ptr<AvatarMenuButtonGtk> avatar_button_;
 
   // Theme provider for building buttons.
   GtkThemeService* theme_service_;
 
   content::NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_TITLEBAR_H_