Revert 282795 "Have media content and chrome browser tests load ..."

trunk/src/content/test/data/media/media_utils.js

 // Copyright (c) 2013 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.
 
 var QueryString = function() {
   // Allows access to query parameters on the URL; e.g., given a URL like:
   //    http://<server>/my.html?test=123&bob=123
   // Parameters can then be accessed via QueryString.test or QueryString.bob.
   var params = {};
   // RegEx to split out values by &.
@@ skipping 30 matching lines @@
   element.addEventListener(event, function(e) {
     setResultInTitle(event.toString());
   }, false);
 }
 
 function convertToArray(input) {
   if (Array.isArray(input))
     return input;
   return [input];
 }