Integrate browser tests with new EME player.

chrome/test/data/media/eme_player_js/clearkey_player.js

Index: chrome/test/data/media/eme_player_js/clearkey_player.js
diff --git a/chrome/test/data/media/eme_player_js/clearkey_player.js b/chrome/test/data/media/eme_player_js/clearkey_player.js
index 8ab955bd06e22038107b1b6da7d210b4ba9e6d6e..03ca5356bee4b8e2b821b2139e14a87cd41be639 100644
--- a/chrome/test/data/media/eme_player_js/clearkey_player.js
+++ b/chrome/test/data/media/eme_player_js/clearkey_player.js
@@ -12,17 +12,9 @@ ClearKeyPlayer.prototype.init = function(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);
 };