GTK: Show avatar menu from NTP

chrome/browser/ui/gtk/avatar_menu_bubble_gtk.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.
 
 #ifndef CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUBBLE_GTK_H_
 #define CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUBBLE_GTK_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 12 matching lines @@
 class GtkThemeService;
 
 // This bubble is displayed when the user clicks on the avatar button.
 // It displays a list of profiles and allows users to switch between profiles.
 class AvatarMenuBubbleGtk : public BubbleDelegateGtk,
                             public AvatarMenuModelObserver,
                             public AvatarMenuItemGtk::Delegate {
  public:
   AvatarMenuBubbleGtk(Browser* browser,
                       GtkWidget* anchor,
-                      BubbleGtk::ArrowLocationGtk arrow);
+                      BubbleGtk::ArrowLocationGtk arrow,
+                      const gfx::Rect* rect);
   virtual ~AvatarMenuBubbleGtk();
 
   // BubbleDelegateGtk implementation.
   virtual void BubbleClosing(BubbleGtk* bubble,
                              bool closed_by_escape) OVERRIDE;
 
   // AvatarMenuModelObserver implementation.
   virtual void OnAvatarMenuModelChanged(
       AvatarMenuModel* avatar_menu_model) OVERRIDE;
 
@@ skipping 26 matching lines @@
   std::vector<AvatarMenuItemGtk*> items_;
 
   // The minimum width to display the bubble. This is used to prevent the bubble
   // from automatically reducing its size when hovering over a profile item.
   int minimum_width_;
 
   DISALLOW_COPY_AND_ASSIGN(AvatarMenuBubbleGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_AVATAR_MENU_BUBBLE_GTK_H_