(reland) media: Add OutputProtectionProxy

media/test/data/eme_player_js/file_io_test_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.
-
-// File IO test player is used to test File IO CDM functionality.
-function FileIOTestPlayer(video, testConfig) {
-  this.video = video;
-  this.testConfig = testConfig;
-}
-
-FileIOTestPlayer.prototype.init = function() {
-  // Returns a promise.
-  return PlayerUtils.initEMEPlayer(this);
-};
-
-FileIOTestPlayer.prototype.registerEventListeners = function() {
-  // Returns a promise.
-  return PlayerUtils.registerEMEEventListeners(this);
-};
-
-handleMessage = function(message) {
-  // The test result is either '0' or '1' appended to the header.
-  var msg = Utils.convertToUint8Array(message.message);
-  if (Utils.hasPrefix(msg, FILE_IO_TEST_RESULT_HEADER)) {
-    if (msg.length != FILE_IO_TEST_RESULT_HEADER.length + 1) {
-      Utils.failTest('Unexpected FileIOTest CDM message' + msg);
-      return;
-    }
-    var result_index = FILE_IO_TEST_RESULT_HEADER.length;
-    var success = String.fromCharCode(msg[result_index]) == 1;
-    Utils.timeLog('CDM file IO test: ' + (success ? 'Success' : 'Fail'));
-    if (success)
-      Utils.setResultInTitle(FILE_IO_TEST_SUCCESS);
-    else
-      Utils.failTest('File IO CDM message fail status.');
-  }
-};
-
-FileIOTestPlayer.prototype.onMessage = handleMessage;