Noissue - Don't import JavaScript modules into the global scope (includes removing unused module).

lib/crawler.js

 /*
  * This Source Code is subject to the terms of the Mozilla Public License
  * version 2.0 (the "License"). You can obtain a copy of the License at
  * http://mozilla.org/MPL/2.0/.
  */
 
 "use strict";
 
 /**
  * @module crawler
  */
 
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-Cu.import("resource://gre/modules/Promise.jsm");
+const {Services} = Cu.import("resource://gre/modules/Services.jsm", {});
+const {XPCOMUtils} = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {});
+const {Task} = Cu.import("resource://gre/modules/Task.jsm", {});
+const {Promise} = Cu.import("resource://gre/modules/Promise.jsm", {});
 
 function abprequire(module)
 {
   let result = {};
   result.wrappedJSObject = result;
   Services.obs.notifyObservers(result, "adblockplus-require", module);
   return result.exports;
 }
 
 let {RequestNotifier} = abprequire("requestNotifier");
@@ skipping 370 matching lines @@
 
 function reportException(e)
 {
   let stack = "";
   if (e && typeof e == "object" && "stack" in e)
     stack = e.stack + "\n";
 
   Cu.reportError(e);
   dump(e + "\n" + stack + "\n");
 }