Support DOMString[] and regenerate from IDL

client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.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 _DOMWindowWrappingImplementation extends DOMWrapperBase implements DOMWindow {
   _DOMWindowWrappingImplementation() : super() {}
 
   static create__DOMWindowWrappingImplementation() native {
@@ skipping 793 matching lines @@
   DOMWindow open(String url, String name, [String options = null]) {
     if (options === null) {
       return _open(this, url, name);
     } else {
       return _open_2(this, url, name, options);
     }
   }
   static DOMWindow _open(receiver, url, name) native;
   static DOMWindow _open_2(receiver, url, name, options) native;
 
-  void postMessage(String message, var messagePort_OR_targetOrigin, [String targetOrigin = null]) {
-    if (messagePort_OR_targetOrigin is String) {
-      if (targetOrigin === null) {
-        _postMessage(this, message, messagePort_OR_targetOrigin);
-        return;
-      }
-    } else {
-      if (messagePort_OR_targetOrigin is MessagePort) {
-        _postMessage_2(this, message, messagePort_OR_targetOrigin, targetOrigin);
-        return;
-      }
-    }
-    throw "Incorrect number or type of arguments";
+  void postMessage(String message, String targetOrigin) {
+    _postMessage(this, message, targetOrigin);
+    return;
   }
-  static void _postMessage(receiver, message, messagePort_OR_targetOrigin) native;
-  static void _postMessage_2(receiver, message, messagePort_OR_targetOrigin, targetOrigin) native;
+  static void _postMessage(receiver, message, targetOrigin) native;
 
   void print() {
     _print(this);
     return;
   }
   static void _print(receiver) native;
 
   String prompt(String message, String defaultValue) {
     return _prompt(this, message, defaultValue);
   }
@@ skipping 90 matching lines @@
   WebKitPoint webkitConvertPointFromNodeToPage(Node node, WebKitPoint p) {
     return _webkitConvertPointFromNodeToPage(this, node, p);
   }
   static WebKitPoint _webkitConvertPointFromNodeToPage(receiver, node, p) native;
 
   WebKitPoint webkitConvertPointFromPageToNode(Node node, WebKitPoint p) {
     return _webkitConvertPointFromPageToNode(this, node, p);
   }
   static WebKitPoint _webkitConvertPointFromPageToNode(receiver, node, p) native;
 
+  void webkitPostMessage(String message, String targetOrigin) {
+    _webkitPostMessage(this, message, targetOrigin);
+    return;
+  }
+  static void _webkitPostMessage(receiver, message, targetOrigin) native;
+
   int webkitRequestAnimationFrame(RequestAnimationFrameCallback callback, Element element) {
     return _webkitRequestAnimationFrame(this, callback, element);
   }
   static int _webkitRequestAnimationFrame(receiver, callback, element) native;
 
   String get typeName() { return "DOMWindow"; }
 }