Make avatar menu bubble as singleton and destroy all the menu items and menu model when bubble cl...

chrome/browser/ui/gtk/avatar_menu_item_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_ITEM_GTK_H_
 #define CHROME_BROWSER_UI_GTK_AVATAR_MENU_ITEM_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/profiles/avatar_menu_model.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
 
 class GtkThemeService;
 
 // This widget contains the profile icon, user name, and synchronization status
 // to be displayed in the AvatarMenuBubble. Clicking the profile will open a new
 // browser window, and when the user hovers over an active profile item, a link
 // is displayed that will allow editing the profile.
 class AvatarMenuItemGtk {
  public:
   // Delegates opening or editing a profile.
   class Delegate {
    public:
     // Open a new browser window using the profile at |profile_index|.
     virtual void OpenProfile(size_t profile_index) = 0;
 
     // Edit the profile given by |profile_index|.
     virtual void EditProfile(size_t profile_index) = 0;
   };
 
   AvatarMenuItemGtk(Delegate* delegate,
                     const AvatarMenuModel::Item& item,
                     size_t item_index,
                     GtkThemeService* theme_service);
   virtual ~AvatarMenuItemGtk();
 
+  void OpenProfile();
+  void EditProfile();
+
   // Returns the root widget for this menu item.
   GtkWidget* widget() { return widget_.get(); }
 
  private:
   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileClick,
                        GdkEventButton*);
   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileEnter,
                        GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileLeave,
                        GdkEventCrossing*);
@@ skipping 16 matching lines @@
   ui::OwnedWidgetGtk widget_;
 
   // A weak pointer to a label that displays the sync status. It is not shown
   // when the user is hovering over the item if the profile is the active
   // profile.
   GtkWidget* status_label_;
 
   // A weak pointer to a link button to edit the given profile. It is shown only
   // when the user is hovering over the active profile.
   GtkWidget* link_alignment_;
+
+  base::WeakPtrFactory<AvatarMenuItemGtk> weak_factory_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_AVATAR_MENU_ITEM_GTK_H_