Added DOM MessagePort support.

client/dom/generated/src/wrapping/_MessagePortWrappingImplementation.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.
 
 // WARNING: Do not edit - generated code.
 
-class _MessagePortWrappingImplementation extends _EventTargetWrappingImplementation implements MessagePort {
+class _MessagePortWrappingImplementation extends DOMWrapperBase implements MessagePort {
   _MessagePortWrappingImplementation() : super() {}
 
   static create__MessagePortWrappingImplementation() native {
     return new _MessagePortWrappingImplementation();
   }
 
+  EventListener get onmessage() { return _get__MessagePort_onmessage(this); }
+  static EventListener _get__MessagePort_onmessage(var _this) native;
+
+  void set onmessage(EventListener value) { _set__MessagePort_onmessage(this, value); }
+  static void _set__MessagePort_onmessage(var _this, EventListener value) native;
+
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _addEventListener(this, type, listener);
+      return;
+    } else {
+      _addEventListener_2(this, type, listener, useCapture);
+      return;
+    }
+  }
+  static void _addEventListener(receiver, type, listener) native;
+  static void _addEventListener_2(receiver, type, listener, useCapture) native;
+
+  void close() {
+    _close(this);
+    return;
+  }
+  static void _close(receiver) native;
+
+  bool dispatchEvent(Event evt) {
+    return _dispatchEvent(this, evt);
+  }
+  static bool _dispatchEvent(receiver, evt) native;
+
+  void postMessage(String message) {
+    _postMessage(this, message);
+    return;
+  }
+  static void _postMessage(receiver, message) native;
+
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _removeEventListener(this, type, listener);
+      return;
+    } else {
+      _removeEventListener_2(this, type, listener, useCapture);
+      return;
+    }
+  }
+  static void _removeEventListener(receiver, type, listener) native;
+  static void _removeEventListener_2(receiver, type, listener, useCapture) native;
+
+  void start() {
+    _start(this);
+    return;
+  }
+  static void _start(receiver) native;
+
+  void webkitPostMessage(String message) {
+    _webkitPostMessage(this, message);
+    return;
+  }
+  static void _webkitPostMessage(receiver, message) native;
+
   String get typeName() { return "MessagePort"; }
 }