From 30c19cf64e6a288497866e28199481ba89ed7f8c Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Fri, 4 Aug 2017 12:42:34 +0300
Subject: [PATCH] fixup 860443b9: BG can point to itself

---
 js/messaging.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/messaging.js b/js/messaging.js
index 05ba5c73..ffc594bf 100644
--- a/js/messaging.js
+++ b/js/messaging.js
@@ -46,7 +46,7 @@ URLS.supported = new RegExp(
 );
 
 let BG = chrome.extension.getBackgroundPage();
-if (BG && !BG.getStyles) {
+if (BG && !BG.getStyles && BG !== window) {
   // own page like editor/manage is being loaded on browser startup
   // before the background page has been fully initialized;
   // it'll be resolved in onBackgroundReady() instead