Implement the Chromium-specific part of WebCore context menus with submenus

webkit/glue/webmenuitem.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 "webkit/glue/webmenuitem.h"
 
 WebMenuItem::WebMenuItem()
     : type(OPTION),
       action(0),
       rtl(false),
       has_directional_override(false),
       enabled(false),
       checked(false) {
 }
 
 WebMenuItem::WebMenuItem(const WebKit::WebMenuItemInfo& item)
     : label(item.label),
       toolTip(item.toolTip),
       type(static_cast<Type>(item.type)),
       action(item.action),
       rtl(item.textDirection == WebKit::WebTextDirectionRightToLeft),
       has_directional_override(item.hasTextDirectionOverride),
       enabled(item.enabled),
       checked(item.checked) {
+  for (size_t i = 0; i < item.subMenuItems.size(); ++i)
+    submenu.push_back(WebMenuItem(item.subMenuItems[i]));
 }
 
 WebMenuItem::WebMenuItem(const WebMenuItem& item)
     : label(item.label),
       toolTip(item.toolTip),
       type(item.type),
       action(item.action),
       rtl(item.rtl),
       has_directional_override(item.has_directional_override),
       enabled(item.enabled),
       checked(item.checked),
       submenu(item.submenu) {
 }
 
 WebMenuItem::~WebMenuItem() {}