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

chrome/content/ui/flasher.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 10 matching lines @@
 
 var flasher = {
   nodes: null,
   count: 0,
   timer: null,
 
   flash: function(nodes)
   {
     this.stop();
     if (nodes)
-      nodes = nodes.filter(function(node) node.nodeType == Node.ELEMENT_NODE);
+      nodes = nodes.filter(node => node.nodeType == Node.ELEMENT_NODE);
     if (!nodes || !nodes.length)
       return;
 
     if (Prefs.flash_scrolltoitem && nodes[0].ownerDocument)
     {
       // Ensure that at least one node is visible when flashing
       let wnd = nodes[0].ownerDocument.defaultView;
       try
       {
         let topWnd = Utils.getChromeWindow(wnd);
@@ skipping 57 matching lines @@
   switchOn: function()
   {
     this.setOutline("#CC0000 dotted 2px", "-2px");
   },
 
   switchOff: function()
   {
     this.setOutline("", "");
   }
 };