From b73480b4c5face0d52a6cd8276c86d41170888cb Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sun, 14 Apr 2019 16:57:09 -0400
Subject: [PATCH] Update fix for
 https://github.com/uBlockOrigin/uBlock-issues/issues/468

As suggested by @jspenguin2017:
https://github.com/uBlockOrigin/uBlock-issues/issues/468#issuecomment-482863195
---
 src/js/dashboard.js |  9 ---------
 src/js/udom.js      | 14 --------------
 2 files changed, 23 deletions(-)

diff --git a/src/js/dashboard.js b/src/js/dashboard.js
index 580b4fa50..efd744306 100644
--- a/src/js/dashboard.js
+++ b/src/js/dashboard.js
@@ -80,15 +80,6 @@ loadDashboardPanel();
 window.addEventListener('resize', resizeFrame);
 uDom('.tabButton').on('click', onTabClickHandler);
 
-// https://github.com/uBlockOrigin/uBlock-issues/issues/468
-//   See https://github.com/WICG/page-lifecycle
-document.addEventListener('freeze', ( ) => {
-    uDom('.tabButton').off('click', onTabClickHandler);
-});
-document.addEventListener('resume', ( ) => {
-    uDom('.tabButton').on('click', onTabClickHandler);
-});
-
 /******************************************************************************/
 
 })();
diff --git a/src/js/udom.js b/src/js/udom.js
index caa2a824c..d681b9dcc 100644
--- a/src/js/udom.js
+++ b/src/js/udom.js
@@ -672,20 +672,6 @@ DOMList.prototype.trigger = function(etype) {
 
 /******************************************************************************/
 
-// Cleanup
-
-const onBeforeUnload = function() {
-    var entry;
-    while ( (entry = listenerEntries.pop()) ) {
-        entry.dispose();
-    }
-    window.removeEventListener('beforeunload', onBeforeUnload);
-};
-
-window.addEventListener('beforeunload', onBeforeUnload);
-
-/******************************************************************************/
-
 return DOMListFactory;
 
 })();