Support timers in DOM isolates.

lib/dom/templates/html/dartium/html_dartium.darttemplate

 // 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.
 
 // DO NOT EDIT
 // Auto-generated dart:html library.
 
 #library("html");
 
 #import("dart:isolate");
 #import("dart:json");
 #import("dart:nativewrappers");
 
 $!GENERATED_DART_FILES
 
 #source('$AUXILIARY_DIR/EventListener.dart');
 #source('$AUXILIARY_DIR/KeyLocation.dart');
 #source('$AUXILIARY_DIR/KeyName.dart');
 #source('$AUXILIARY_DIR/ReadyState.dart');
+#source('$AUXILIARY_DIR/Timer.dart');
 #source('$AUXILIARY_DIR/_Collections.dart');
 #source('$AUXILIARY_DIR/_XMLHttpRequestUtils.dart');
 #source('$AUXILIARY_DIR/../../html/src/shared_FactoryProviders.dart');
 #source('$AUXILIARY_DIR/../../html/src/dartium_FactoryProviders.dart');
 #source('$AUXILIARY_DIR/../../html/src/IDBOpenDBRequest.dart');
 #source('$AUXILIARY_DIR/../../html/src/Isolates.dart');
 #source('$AUXILIARY_DIR/../../html/src/Measurement.dart');
 #source('$AUXILIARY_DIR/../../html/src/Device.dart');
 #source('$AUXILIARY_DIR/../../html/src/_Testing.dart');
 #source('$AUXILIARY_DIR/_ListIterators.dart');
@@ skipping 53 matching lines @@
   }
   var data = JSON.stringify({ 'id': id, 'message': message });
   var event = document.$dom_createEvent('TextEvent');
   event.initTextEvent('js-sync-message', false, false, window, data);
   assert(_callPortLastResult == null);
   window.$dom_dispatchEvent(event);
   var result = _callPortLastResult;
   _callPortLastResult = null;
   return result;
 }