Noissue - Remove DOMContentLoaded listeners after they've fired

popup.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * 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
@@ skipping 73 matching lines @@
   for (let collapser of document.getElementsByClassName("collapse"))
   {
     collapser.addEventListener("click", toggleCollapse, false);
     if (!Prefs[collapser.dataset.option])
     {
       document.getElementById(
         collapser.dataset.collapsable
       ).classList.add("collapsed");
     }
   }
+
+  document.removeEventListener("DOMContentLoaded", onLoad);
 }
 
 function toggleEnabled()
 {
   let disabled = document.body.classList.toggle("disabled");
   if (disabled)
   {
     let host = getDecodedHostname(page.url).replace(/^www\./, "");
     let filter = Filter.fromText("@@||" + host + "^$document");
     if (filter.subscriptions.length && filter.disabled)
@@ skipping 39 matching lines @@
 }
 
 function toggleCollapse(event)
 {
   let collapser = event.currentTarget;
   Prefs[collapser.dataset.option] = !Prefs[collapser.dataset.option];
   collapser.parentNode.classList.toggle("collapsed");
 }
 
 document.addEventListener("DOMContentLoaded", onLoad, false);