Issue 5549 - Implement missing error handlings for custom filter lists

desktop-options.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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
@@ skipping 1177 matching lines @@
       special: true
     },
     (subscriptions) =>
     {
       // Load filters
       for (let subscription of subscriptions)
       {
         browser.runtime.sendMessage({
           type: "filters.get",
           subscriptionUrl: subscription.url
-        },
-        (filters) =>
-        {
-          loadCustomFilters(filters);
-        });
+        }, loadCustomFilters);
       }
     });
     loadRecommendations();
     browser.runtime.sendMessage({
       type: "prefs.get",
       key: "subscriptions_exceptionsurl"
     },
     (url) =>
     {
       acceptableAdsUrl = url;
@@ skipping 293 matching lines @@
   });
   browser.runtime.sendMessage({
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
              "title", "downloadStatus", "downloading"]
   });
 
   window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
   window.addEventListener("hashchange", onHashChange, false);
 }