New cross frame base types

lib/html/src/native_DOMImplementation.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 _Utils {
   static List convertToList(List list) {
     // FIXME: [possible optimization]: do not copy the array if Dart_IsArray is fine w/ it.
     final length = list.length;
     List result = new List(length);
     result.setRange(0, length, list);
@@ skipping 35 matching lines @@
 }
 
 class _DOMWindowCrossFrameImpl extends NativeFieldWrapperClass1 implements Window {
   _DOMWindowCrossFrameImpl();
 
   // Fields.
   History get history() native "DOMWindow_history_cross_frame_Getter";
   Location get location() native "DOMWindow_location_cross_frame_Getter";
   bool get closed() native "DOMWindow_closed_Getter";
   int get length() native "DOMWindow_length_Getter";
-  DOMWindow get opener() native "DOMWindow_opener_Getter";
-  DOMWindow get parent() native "DOMWindow_parent_Getter";
-  DOMWindow get top() native "DOMWindow_top_Getter";
+  Window get opener() native "DOMWindow_opener_Getter";
+  Window get parent() native "DOMWindow_parent_Getter";
+  Window get top() native "DOMWindow_top_Getter";
 
   // Methods.
   void focus() native "DOMWindow_focus_Callback";
   void blur() native "DOMWindow_blur_Callback";
   void close() native "DOMWindow_close_Callback";
   void postMessage(/*SerializedScriptValue*/ message, String targetOrigin, [List messagePorts]) native "DOMWindow_postMessage_Callback";
 
   // Implementation support.
   String get typeName => "DOMWindow";
 }
@@ skipping 37 matching lines @@
   bool isEmpty() => Maps.isEmpty(this);
 }
 
 get _printClosure => (s) {
   try {
     window.console.log(s);
   } on Dynamic catch(_) {
     _Utils.print(s);
   }
 };