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

chrome/content/ui/filters-search.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 72 matching lines @@
 
     text = normalizeString(text);
 
     // First try to find the entry in the current list
     if (findText(text, direction, E("filtersTree").currentIndex))
       return Ci.nsITypeAheadFind.FIND_FOUND;
 
     // Now go through the other subscriptions
     let result = Ci.nsITypeAheadFind.FIND_FOUND;
     let subscriptions = FilterStorage.subscriptions.slice();
-    subscriptions.sort(function(s1, s2) (s1 instanceof SpecialSubscription) - (s2 instanceof SpecialSubscription));
+    subscriptions.sort((s1, s2) => (s1 instanceof SpecialSubscription) - (s2 instanceof SpecialSubscription));
     let current = subscriptions.indexOf(FilterView.subscription);
     direction = direction || 1;
     for (let i = current + direction; ; i+= direction)
     {
       if (i < 0)
       {
         i = subscriptions.length - 1;
         result = Ci.nsITypeAheadFind.FIND_WRAPPED;
       }
       else if (i >= subscriptions.length)
@@ skipping 126 matching lines @@
     {
       E("filtersTree").boxObject.scrollByPages(num);
     },
   }
 };
 
 window.addEventListener("load", function()
 {
   FilterSearch.init();
 }, false);