Integrate browser tests with new EME player.

chrome/test/data/media/eme_player_js/clearkey_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.
 
 // ClearKeyPlayer responsible for playing media using Clear Key key system and
 // the unprefixed version of EME.
 function ClearKeyPlayer() {
 }
 
 ClearKeyPlayer.prototype.init = function(video) {
   InitEMEPlayer(this, video);
 };
 
 ClearKeyPlayer.prototype.onMessage = function(message) {
-  if (Utils.isHeartBeatMessage(message.message)) {
-    Utils.timeLog('MediaKeySession onMessage - heart beat', message);
-    return;
-  }
   Utils.timeLog('MediaKeySession onMessage', message);
-  var initData = message.message;
-  // If content uses mp4, then message.message is pssh data. Instead of parsing
-  // that data we hard code the initData.
-  if (TestConfig.mediaType.indexOf('mp4') != -1)
-    // Temporary hack for Clear Key in v0.1.
-    initData = Utils.convertToUint8Array(KEY_ID);
-  var jwkSet = Utils.createJWKData(initData, KEY);
+  var initData = Utils.getInitDataFromMessage(message, TestConfig.mediaType);
+  var key = Utils.getDefaultKey(TestConfig.forceInvalidResponse);
+  var jwkSet = Utils.createJWKData(initData, key);
   message.target.update(jwkSet);
 };