Rename fileBrowserPrivate to fileManagerPrivate

ui/file_manager/video_player/js/video_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.
 
 'use strict';
 
 /**
  * @param {Element} playerContainer Main container.
  * @param {Element} videoContainer Container for the video element.
  * @param {Element} controlsContainer Container for video controls.
@@ skipping 622 matching lines @@
       }.wrap(null));
 }
 
 var player = new VideoPlayer();
 
 /**
  * Initializes the strings.
  * @param {function()} callback Called when the sting data is ready.
  */
 function initStrings(callback) {
-  chrome.fileBrowserPrivate.getStrings(function(strings) {
+  chrome.fileManagerPrivate.getStrings(function(strings) {
     loadTimeData.data = strings;
     callback();
   }.wrap(null));
 }
 
 var initPromise = Promise.all(
     [new Promise(initVideos.wrap(null)),
      new Promise(initStrings.wrap(null)),
      new Promise(util.addPageLoadHandler.wrap(null))]);
 
 initPromise.then(function(results) {
   var videos = results[0];
   player.prepare(videos);
   return new Promise(player.playFirstVideo.wrap(player));
 }.wrap(null));