From 2f1b2378046c6f1d663cb65d9460705dccee0d61 Mon Sep 17 00:00:00 2001
From: Tim Taubert <tim.taubert@gmx.de>
Date: Thu, 2 Feb 2012 23:19:45 +0100
Subject: [PATCH] Backed out changeset 2b7cea9aa6a3 (bug 722479)

---
 browser/components/thumbnails/test/head.js | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/browser/components/thumbnails/test/head.js b/browser/components/thumbnails/test/head.js
index 18f999e911bc..d0516d82acaf 100644
--- a/browser/components/thumbnails/test/head.js
+++ b/browser/components/thumbnails/test/head.js
@@ -9,8 +9,6 @@ let PageThumbsCache = tmp.PageThumbsCache;
 registerCleanupFunction(function () {
   while (gBrowser.tabs.length > 1)
     gBrowser.removeTab(gBrowser.tabs[1]);
-
-  cachedXULDocument = null;
 });
 
 let cachedXULDocument;
@@ -146,7 +144,6 @@ function getXULDocument(aCallback) {
 
   iframe.addEventListener("DOMContentLoaded", function onLoad() {
     iframe.removeEventListener("DOMContentLoaded", onLoad, false);
-    doc.body.removeChild(iframe);
     aCallback(cachedXULDocument = iframe.contentDocument);
   }, false);