Safely wrap window.top in frog dom.

client/dom/generated/src/frog/DOMWindow.dart

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
 
 class _DOMWindowJs extends _EventTargetJs implements DOMWindow native "@*DOMWindow" {
 
   static final int PERSISTENT = 1;
 
   static final int TEMPORARY = 0;
 
   final _DOMApplicationCacheJs applicationCache;
 
   final _NavigatorJs clientInformation;
@@ skipping 75 matching lines @@
   final _StorageJs sessionStorage;
 
   String status;
 
   final _BarInfoJs statusbar;
 
   final _StyleMediaJs styleMedia;
 
   final _BarInfoJs toolbar;
 
-  final _DOMWindowJs top;
-
   final _IDBFactoryJs webkitIndexedDB;
 
   final _NotificationCenterJs webkitNotifications;
 
   final _StorageInfoJs webkitStorageInfo;
 
   final _DOMWindowJs window;
 
   void addEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 
@@ skipping 73 matching lines @@
 
   _WebKitPointJs webkitConvertPointFromPageToNode(_NodeJs node, _WebKitPointJs p) native;
 
   void webkitPostMessage(Dynamic message, String targetOrigin, [List transferList = null]) native;
 
   int webkitRequestAnimationFrame(RequestAnimationFrameCallback callback, _ElementJs element) native;
 
   void webkitRequestFileSystem(int type, int size, FileSystemCallback successCallback, [ErrorCallback errorCallback = null]) native;
 
   void webkitResolveLocalFileSystemURL(String url, [EntryCallback successCallback = null, ErrorCallback errorCallback = null]) native;
+
+
+  Window get _top() native "return this.top;";
+
+  // Override top to return secure wrapper.
+  Window get top() => _DOMWindowCrossFrameImpl._createSafe(_top);
 }