Integrate browser tests with new EME player.

chrome/test/data/media/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.
 var KEY = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
                           0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
 
 var DEFAULT_LICENSE_SERVER = document.location.origin + '/license_server';
 
 var DEFAULT_MEDIA_FILE = 'http://shadi.kir/alcatraz/Chrome_44-enc_av.webm';
 
 // Key ID used for init data.
 var KEY_ID = '0123456789012345';
 
+// Unique strings to identify test result expectations.
+var KEY_ERROR = 'KEY_ERROR';
+var FILE_IO_TEST_RESULT_HEADER = 'FILEIOTESTRESULT';
+var FILE_IO_TEST_SUCCESS = 'FILE_IO_TEST_SUCCESS';
+var PREFIXED_API_LOAD_SESSION_HEADER = "LOAD_SESSION|";
+
 // Available EME key systems to use.
 var PREFIXED_CLEARKEY = 'webkit-org.w3.clearkey';
 var CLEARKEY = 'org.w3.clearkey';
 var EXTERNAL_CLEARKEY = 'org.chromium.externalclearkey';
 var WIDEVINE_KEYSYSTEM = 'com.widevine.alpha';
+var FILE_IO_TEST_KEYSYSTEM = 'org.chromium.externalclearkey.fileiotest';
+var EME_PREFIXED_VERSION = 'Prefixed EME (v 0.1b)';
+var EME_UNPREFIXED_VERSION = 'Unprefixed EME (Working draft)';
 
 // Key system name:value map to show on the document page.
 var KEY_SYSTEMS = {
   'Widevine': WIDEVINE_KEYSYSTEM,
   'Clearkey': CLEARKEY,
   'External Clearkey': EXTERNAL_CLEARKEY
 };
 
 // General WebM and MP4 name:content_type map to show on the document page.
 var MEDIA_TYPES = {
   'WebM - Audio Video': 'video/webm; codecs="vorbis, vp8"',
   'WebM - Video Only': 'video/webm; codecs="vp8"',
   'WebM - Audio Only': 'video/webm; codecs="vorbis"',
   '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 = {};
-var video = document.createElement('video');
-if (video.webkitAddKey)
-  EME_VERSIONS_OPTIONS['Prefixed EME (v 0.1b)'] = 'true';
-if (video.setMediaKeys)
-  EME_VERSIONS_OPTIONS['Unprefixed EME (Working draft)'] = 'false';
+EME_VERSIONS_OPTIONS[EME_UNPREFIXED_VERSION] = EME_UNPREFIXED_VERSION;
+EME_VERSIONS_OPTIONS[EME_PREFIXED_VERSION] = EME_PREFIXED_VERSION;
+
+var EME_DISABLED_OPTIONS = [];
+if (!document.createElement('video').webkitAddKey)
+  EME_DISABLED_OPTIONS.push(EME_PREFIXED_VERSION);
+if (!document.createElement('video').setMediaKeys)
+  EME_DISABLED_OPTIONS.push(EME_UNPREFIXED_VERSION);
 
 // 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_SRC_ELEMENT_ID = 'useSRC';
 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');