Stop foreground depending on background in gyp v2

ui/file_manager/file_manager/background/js/drive_sync_handler.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.
 
 /**
  * Handler of the background page for the drive sync events.
  * @param {ProgressCenter} progressCenter Progress center to submit the
  *     progressing items.
  * @constructor
  * @extends {cr.EventTarget}
@@ skipping 88 matching lines @@
   /**
    * @return {boolean} Whether the handler is having syncing items or not.
    */
   get syncing() {
     return this.syncing_;
   }
 };
 
 /**
  * Returns whether the drive sync is currently suppressed or not.
- * @private
  * @return {boolean}
  */
 DriveSyncHandler.prototype.isSyncSuppressed = function() {
   return navigator.connection.type === 'cellular' &&
       this.cellularDisabled_;
 };
 
 /**
  * Shows the notification saying that the drive sync is disabled on cellular
  * network.
@@ skipping 137 matching lines @@
 
 /**
  * Handles preferences change.
  * @private
  */
 DriveSyncHandler.prototype.onPreferencesChanged_ = function() {
   chrome.fileManagerPrivate.getPreferences(function(pref) {
     this.cellularDisabled_ = pref.cellularDisabled;
   }.bind(this));
 };