[fsp] Remove the unused streaming field.

ui/file_manager/gallery/js/gallery.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';
 
 /**
  * Called from the main frame when unloading.
  * @param {boolean=} opt_exiting True if the app is exiting.
  */
@@ skipping 236 matching lines @@
  * @const
  * @type {number}
  */
 Gallery.MOSAIC_BACKGROUND_INIT_DELAY = 1000;
 
 /**
  * Types of metadata Gallery uses (to query the metadata cache).
  * @const
  * @type {string}
  */
-Gallery.METADATA_TYPE = 'thumbnail|filesystem|media|streaming|drive';
+Gallery.METADATA_TYPE = 'thumbnail|filesystem|media|drive';
 
 /**
  * Initializes listeners.
  * @private
  */
 Gallery.prototype.initListeners_ = function() {
   this.keyDownBound_ = this.onKeyDown_.bind(this);
   this.document_.body.addEventListener('keydown', this.keyDownBound_);
 
   this.inactivityWatcher_ = new MouseInactivityWatcher(
@@ skipping 748 matching lines @@
   window.loadTimeData.data = backgroundComponents.stringData;
   gallery = new Gallery(backgroundComponents.volumeManager);
 };
 
 /**
  * Loads entries.
  */
 window.loadEntries = function(entries, selectedEntries) {
   gallery.load(entries, selectedEntries);
 };