Issue 2257 - Replaced non-standard function expressions with ES6 arrow functions

chrome/content/ui/filters-subscriptionactions.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
@@ skipping 31 matching lines @@
 
   /**
    * Finds the subscription for a particular filter, selects it and selects the
    * filter.
    */
   selectFilter: function(/**Filter*/ filter)
   {
     let node = null;
     let tabIndex = -1;
     let subscriptions = filter.subscriptions.slice();
-    subscriptions.sort(function(s1, s2) s1.disabled - s2.disabled);
+    subscriptions.sort((s1, s2) => s1.disabled - s2.disabled);
     for (let i = 0; i < subscriptions.length; i++)
     {
       let subscription = subscriptions[i];
       let list = E(subscription instanceof SpecialSubscription ? "groups" : "subscriptions");
       tabIndex = (subscription instanceof SpecialSubscription ? 1 : 0);
       node = Templater.getNodeForData(list, "subscription", subscription);
       if (node)
         break;
     }
     if (node)
@@ skipping 534 matching lines @@
       return;
 
     if (event.keyCode == event.DOM_VK_RETURN || event.keyCode == event.DOM_VK_ENTER)
     {
       // This shouldn't accept our dialog, only the panel
       event.preventDefault();
       E("selectSubscriptionAccept").doCommand();
     }
   }
 };