Remove window.postMessage(message, transferables, targetOrigin) legacy overload

chrome/third_party/chromevox/chromevox/injected/mathjax.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Bridge to MathJax functions from the ChromeVox content script.
  *
  */
 
 if (typeof(goog) != 'undefined' && goog.provide) {
@@ skipping 20 matching lines @@
   };
 
 
   /**
    * Initializes message channel in Chromevox.
    */
   cvox.MathJax.initMessage = function() {
     channel_.port1.onmessage = function(evt) {
       cvox.MathJax.execMessage(evt.data);
     };
-    window.postMessage('cvox.MathJaxPortSetup', [channel_.port2], '*');
+    window.postMessage('cvox.MathJaxPortSetup', '*', [channel_.port2]);
   };
 
 
   /**
    * Post a message to Chromevox.
    * @param {string} cmd The command to be executed in Chromevox.
    * @param {string} callbackId A string representing the callback id.
    * @param {Object<string, *>} args Dictionary of arguments.
    */
   cvox.MathJax.postMessage = function(cmd, callbackId, args) {
@@ skipping 127 matching lines @@
     cvox.MathJax.postMessage(
         'Active', callbackId,
         {'status': cvox.MathJaxExternalUtil.isActive()});
   };
 
 
   // Initializing the bridge.
   cvox.MathJax.initMessage();
 
 })();