Update eme_player tests

media/test/data/eme_player_js/globals.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.
 
 // This file contains global constant variables used by the application.
 
 // Heart beat message header.
 var HEART_BEAT_HEADER = 'HEARTBEAT';
 
 // Default key used to encrypt many media files used in browser tests.
@@ skipping 38 matching lines @@
   'MP4 - Video Only': 'video/mp4; codecs="avc1.4D4041"',
   'MP4 - Audio Only': 'audio/mp4; codecs="mp4a.40.2"'
 };
 
 // Update the EME versions list by checking runtime support by the browser.
 var EME_VERSIONS_OPTIONS = {};
 EME_VERSIONS_OPTIONS[EME_UNPREFIXED_VERSION] = EME_UNPREFIXED_VERSION;
 EME_VERSIONS_OPTIONS[EME_PREFIXED_VERSION] = EME_PREFIXED_VERSION;
 
 var EME_DISABLED_OPTIONS = [];
-var PROMISES_SUPPORTED = false;
 if (!document.createElement('video').webkitAddKey)
   EME_DISABLED_OPTIONS.push(EME_PREFIXED_VERSION);
 if (!document.createElement('video').setMediaKeys)
   EME_DISABLED_OPTIONS.push(EME_UNPREFIXED_VERSION);
-else
-  PROMISES_SUPPORTED = MediaKeys.create != undefined;
 
 // Global document elements ID's.
 var VIDEO_ELEMENT_ID = 'video';
 var MEDIA_FILE_ELEMENT_ID = 'mediaFile';
 var LICENSE_SERVER_ELEMENT_ID = 'licenseServer';
 var KEYSYSTEM_ELEMENT_ID = 'keySystemList';
 var MEDIA_TYPE_ELEMENT_ID = 'mediaTypeList';
 var USE_MSE_ELEMENT_ID = 'useMSE';
 var USE_PREFIXED_EME_ID = 'usePrefixedEME';
 
 // These variables get updated every second, so better to have global pointers.
 var decodedFPSElement = document.getElementById('decodedFPS');
 var droppedFPSElement = document.getElementById('droppedFPS');
 var droppedFramesElement = document.getElementById('droppedFrames');
 var docLogs = document.getElementById('logs');