Add shortcut to show avatar menu

chrome/browser/ui/gtk/avatar_menu_button_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/avatar_menu_button_gtk.h"
 
 #include "base/i18n/rtl.h"
 #include "chrome/browser/ui/gtk/avatar_menu_bubble_gtk.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
 #include "ui/gfx/gtk_util.h"
@@ skipping 24 matching lines @@
 
   gtk_misc_set_alignment(GTK_MISC(image_), 0.0, 1.0);
   gtk_widget_set_size_request(image_, -1, 0);
 }
 
 gboolean AvatarMenuButtonGtk::OnButtonPressed(GtkWidget* widget,
                                               GdkEventButton* event) {
   if (event->button != 1)
     return FALSE;
 
-  new AvatarMenuBubbleGtk(browser_, widget, arrow_location_, NULL);
+  ShowAvatarBubble();
   return TRUE;
 }
+
+void AvatarMenuButtonGtk::ShowAvatarBubble() {
+  new AvatarMenuBubbleGtk(browser_, widget_.get(), arrow_location_, NULL);
+}