Hide read-only volumes in "Save As" dialogs.

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.
 
 /**
  * @param {!HTMLElement} playerContainer Main container.
  * @param {!HTMLElement} videoContainer Container for the video element.
  * @param {!HTMLElement} controlsContainer Container for video controls.
  * @constructor
  * @struct
@@ skipping 782 matching lines @@
  */
 function initStrings(callback) {
   chrome.fileManagerPrivate.getStrings(function(strings) {
     loadTimeData.data = strings;
     i18nTemplate.process(document, loadTimeData);
     callback();
   }.wrap(null));
 }
 
 function initVolumeManager(callback) {
-  var volumeManager = new VolumeManagerWrapper(AllowedPaths.ANY_PATH);
+  var volumeManager = new VolumeManagerWrapper(AllowedPaths.ANY_PATH, false);
   volumeManager.ensureInitialized(callback);
 }
 
 var initPromise = Promise.all(
     [new Promise(initStrings.wrap(null)),
      new Promise(initVolumeManager.wrap(null)),
      new Promise(util.addPageLoadHandler.wrap(null))]);
 
 initPromise.then(function(unused) {
   return new Promise(function(fulfill, reject) {
     util.URLsToEntries(window.appState.items, function(entries) {
       metrics.recordOpenVideoPlayerAction();
       metrics.recordNumberOfOpenedFiles(entries.length);
 
       player.prepare(entries);
       player.playFirstVideo(player, fulfill);
     }.wrap());
   }.wrap());
 }.wrap());