Issue 4864 - Start using ESLint for adblockpluschrome

stats.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2016 Eyeo GmbH
+ * Copyright (C) 2006-2017 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
@@ skipping 114 matching lines @@
   {
     Prefs.show_statsinicon = !Prefs.show_statsinicon;
     document.getElementById("show-iconnumber").setAttribute(
       "aria-checked", Prefs.show_statsinicon
     );
   }
 
   document.addEventListener("DOMContentLoaded", onLoad, false);
   window.addEventListener("unload", onUnload, false);
 }());