sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index e44217a2f2db4865fadfd03c3ac9431120d595c1..1810d48213f44c6e0980c9cf0eabf8cff983f4eb 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -81,14 +81,14 @@ _callPortSync(int id, message) {
 
 Future<SendPort> spawnDomFunction(Function f) =>
   new Future.value(IsolateNatives.spawnDomFunction(f));
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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.
 
 
 @DocsEditable()
 @DomName('AbstractWorker')
-class AbstractWorker extends Interceptor native "AbstractWorker" {
+class AbstractWorker extends Interceptor implements EventTarget native "AbstractWorker" {
 
   @DomName('AbstractWorker.errorEvent')
   @DocsEditable()