New version of dart:html

client/html/src/GlobalProperties.dart

 // Copyright (c) 2011, 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.
 
-var secretWindow;
-var secretDocument;
+Window secretWindow;
+Document secretDocument;
 
 Window get window() {
   if (secretWindow === null) {
-    LevelDom.initialize(dom.window);
+    LevelDom.initialize();
   }
   return secretWindow;
 }
 
 Document get document() {
   if (secretWindow === null) {
-    LevelDom.initialize(dom.window);
+    LevelDom.initialize();
   }
   return secretDocument;
 }