From 89f9d4ec4a73bc23e24a3db2b3a5feeff553e22b Mon Sep 17 00:00:00 2001
From: Infocatcher <infocatcher.dev.null@gmail.com>
Date: Sat, 22 Aug 2015 21:22:29 +0300
Subject: [PATCH] Use .contentWindowAsCPOW and .contentDocumentAsCPOW (not
 needed now, for future versions) (#38)

---
 Session_Bookmarks/sessionBookmarks.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Session_Bookmarks/sessionBookmarks.js b/Session_Bookmarks/sessionBookmarks.js
index 646a2cfa..0681ff0b 100644
--- a/Session_Bookmarks/sessionBookmarks.js
+++ b/Session_Bookmarks/sessionBookmarks.js
@@ -1211,8 +1211,9 @@ this.bookmarks = {
 			let privateAttr = "privateTab-isPrivate";
 			let isPrivate = _isPrivate || false;
 			if(_isPrivate === undefined) try {
+				let contentWindow = browser.contentWindow || browser.contentWindowAsCPOW;
 				isPrivate = "PrivateBrowsingUtils" in window
-					&& PrivateBrowsingUtils.isWindowPrivate(browser.contentWindow)
+					&& PrivateBrowsingUtils.isWindowPrivate(contentWindow)
 					|| tab.hasAttribute(privateAttr);
 			}
 			catch(e2) {
@@ -1314,7 +1315,7 @@ this.bookmarks = {
 					&& tab != gBrowser.selectedTab // Should be loaded automatically in this case
 					&& (
 						tab.getAttribute("pending") == "true" // Gecko >= 9.0
-						|| browser.contentDocument.readyState == "uninitialized"
+						|| (browser.contentDocument || browser.contentDocumentAsCPOW).readyState == "uninitialized"
 						// || browser.__SS_restoreState == 1
 					)
 				) {