Issue 3380 - synchronizer unit tests are broken

lib/synchronizer.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
  * @fileOverview Manages synchronization of filter subscriptions.
  */
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 
-let {Downloader, Downloadable,
+var {Downloader, Downloadable,
     MILLIS_IN_SECOND, MILLIS_IN_MINUTE, MILLIS_IN_HOUR, MILLIS_IN_DAY} = require("downloader");
-let {Filter, CommentFilter} = require("filterClasses");
-let {FilterStorage} = require("filterStorage");
-let {FilterNotifier} = require("filterNotifier");
-let {Prefs} = require("prefs");
-let {Subscription, DownloadableSubscription} = require("subscriptionClasses");
-let {Utils} = require("utils");
+var {Filter, CommentFilter} = require("filterClasses");
+var {FilterStorage} = require("filterStorage");
+var {FilterNotifier} = require("filterNotifier");
+var {Prefs} = require("prefs");
+var {Subscription, DownloadableSubscription} = require("subscriptionClasses");
+var {Utils} = require("utils");
 
-let INITIAL_DELAY = 1 * MILLIS_IN_MINUTE;
-let CHECK_INTERVAL = 1 * MILLIS_IN_HOUR;
-let DEFAULT_EXPIRATION_INTERVAL = 5 * MILLIS_IN_DAY;
+var INITIAL_DELAY = 1 * MILLIS_IN_MINUTE;
+var CHECK_INTERVAL = 1 * MILLIS_IN_HOUR;
+var DEFAULT_EXPIRATION_INTERVAL = 5 * MILLIS_IN_DAY;
 
 /**
  * The object providing actual downloading functionality.
  * @type Downloader
  */
-let downloader = null;
+var downloader = null;
 
 /**
  * This object is responsible for downloading filter subscriptions whenever
  * necessary.
  * @class
  */
-let Synchronizer = exports.Synchronizer =
+var Synchronizer = exports.Synchronizer =
 {
   /**
    * Called on module startup.
    */
   init: function()
   {
     downloader = new Downloader(this._getDownloadables.bind(this), INITIAL_DELAY, CHECK_INTERVAL);
     onShutdown.add(function()
     {
       downloader.cancel();
@@ skipping 251 matching lines @@
             let data = "[Adblock]\n" + subscription.filters.map((f) => f.text).join("\n");
             redirectCallback("data:text/plain," + encodeURIComponent(data));
           }
         }, false);
         request.send(null);
       }
     }
   },
 };
 Synchronizer.init();