From 34f30cdadce737c11f28ecd5edfc44f65d67d324 Mon Sep 17 00:00:00 2001
From: Gijs Kruitbosch <gijskruitbosch@gmail.com>
Date: Mon, 29 Dec 2014 12:12:02 -0800
Subject: [PATCH] Bug 1096319

---
 browser/base/content/browser.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 26a38d5107e3..984f3faaa237 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -923,6 +923,7 @@ var gBrowserInit = {
     gHistorySwipeAnimation.init();
 
     if (window.opener && !window.opener.closed &&
+        window.opener.document.documentURIObject.schemeIs("chrome") &&
         PrivateBrowsingUtils.isWindowPrivate(window) == PrivateBrowsingUtils.isWindowPrivate(window.opener)) {
       let openerSidebarBox = window.opener.document.getElementById("sidebar-box");
       // If the opener had a sidebar, open the same sidebar in our window.