From 182294539e1a439103bd027452ed9af11c0b9070 Mon Sep 17 00:00:00 2001
From: Todor Prikumov <tono_pr@abv.bg>
Date: Tue, 26 Jan 2016 11:58:34 +0200
Subject: [PATCH] CSS: Make sure elem.ownerDocument.defaultView is not null

Fixes gh-2866
Close gh-2867
---
 src/css/var/getStyles.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/css/var/getStyles.js b/src/css/var/getStyles.js
index 1fa915d58..02a4b8194 100644
--- a/src/css/var/getStyles.js
+++ b/src/css/var/getStyles.js
@@ -6,7 +6,7 @@ define( function() {
 		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
 		var view = elem.ownerDocument.defaultView;
 
-		if ( !view.opener ) {
+		if ( !view || !view.opener ) {
 			view = window;
 		}