Regenerate from IDL with LANGUAGE_JAVASCRIPT on

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 DOMWrapperBase implements MessagePort {
   _MessagePortWrappingImplementation() : super() {}
 
   static create__MessagePortWrappingImplementation() native {
@@ skipping 22 matching lines @@
     _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;
+  void postMessage(String message, [List messagePorts = null]) {
+    if (messagePorts === null) {
+      _postMessage(this, message);
+      return;
+    } else {
+      _postMessage_2(this, message, messagePorts);
+      return;
+    }
   }
   static void _postMessage(receiver, message) native;
+  static void _postMessage_2(receiver, message, messagePorts) 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;
+  void webkitPostMessage(String message, [List transfer = null]) {
+    if (transfer === null) {
+      _webkitPostMessage(this, message);
+      return;
+    } else {
+      _webkitPostMessage_2(this, message, transfer);
+      return;
+    }
   }
   static void _webkitPostMessage(receiver, message) native;
+  static void _webkitPostMessage_2(receiver, message, transfer) native;
 
   String get typeName() { return "MessagePort"; }
 }