Update browser tests to support upcoming EME parameter type changes.

chrome/test/data/media/eme_player_js/player_utils.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.
 
 // The PlayerUtils provides utility functions to binding common media events
 // to specific player functions. It also provides functions to load media source
 // base on test configurations.
 var PlayerUtils = new function() {
 }
 
@@ skipping 24 matching lines @@
     player.video.addEventListener(failingEvents[i], Utils.failTest);
   }
 };
 
 PlayerUtils.registerEMEEventListeners = function(player) {
   player.video.addEventListener('needkey', function(message) {
 
     function addMediaKeySessionListeners(mediaKeySession) {
       mediaKeySession.addEventListener('message', function(message) {
         player.video.receivedKeyMessage = true;
-        if (Utils.isHeartBeatMessage(message.message)) {
+        if (Utils.isHeartBeatMessage(
+                Utils.convertToUint8Array(message.message))) {

[ddorwin, 2014/07/20 22:35:05]

Hide this in iHBM()?

[jrummell, 2014/07/23 22:30:05]

Done.

           Utils.timeLog('MediaKeySession onMessage - heart beat', message);
           player.video.receivedHeartbeat = true;
         }
         player.onMessage(message);
       });
       mediaKeySession.addEventListener('error', function(error) {
         Utils.failTest(error, KEY_ERROR);
       });
     }
 
@@ skipping 57 matching lines @@
   });
 
   player.video.addEventListener('webkitkeyerror', function(error) {
     Utils.timeLog('onWebkitKeyError', error);
     Utils.failTest(error, KEY_ERROR);
   });
 
   player.video.addEventListener('webkitkeymessage', function(message) {
     Utils.timeLog('onWebkitKeyMessage', message);
     message.target.receivedKeyMessage = true;
-    if (Utils.isHeartBeatMessage(message.message)) {
+    if (Utils.isHeartBeatMessage(Utils.convertToUint8Array(message.message))) {
       Utils.timeLog('onWebkitKeyMessage - heart beat', message);
       message.target.receivedHeartbeat = true;
     }
   });
   this.registerDefaultEventListeners(player);
 };
 
 PlayerUtils.setVideoSource = function(player) {
   if (player.testConfig.useMSE) {
     Utils.timeLog('Loading media using MSE.');
@@ skipping 43 matching lines @@
       default:
         Utils.timeLog(keySystem + ' is not a known key system');
         if (usePrefixedEME)
           return PrefixedClearKeyPlayer;
         return ClearKeyPlayer;
     }
   }
   var Player = getPlayerType(testConfig.keySystem);
   return new Player(video, testConfig);
 };