Integrate browser tests with new EME player.

chrome/test/data/media/eme_player_js/widevine_player.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.
 
 // Widevine player responsible for playing media using Widevine key system
 // and EME working draft API.
 function WidevinePlayer() {
 }
 
 WidevinePlayer.prototype.init = function(video) {
   InitEMEPlayer(this, video);
 };
 
 WidevinePlayer.prototype.onMessage = function(message) {
   Utils.timeLog('MediaKeySession onMessage', message);
   var mediaKeySession = message.target;
-
   function onSuccess(response) {
     var key = new Uint8Array(response);
     Utils.timeLog('Update media key session with license response.', key);
     mediaKeySession.update(key);
   }
   Utils.sendRequest('POST', 'arraybuffer', message.message,
-                    TestConfig.licenseServer, onSuccess);
+                    TestConfig.licenseServerURL, onSuccess,
+                    TestConfig.forceInvalidResponse);
 };