From f9ebb2eb9d527b9ebe75f7a2b75e4071d9678dcf Mon Sep 17 00:00:00 2001
From: Frank Yan <fryn@frankyan.com>
Date: Sat, 4 Sep 2010 18:06:00 -0400
Subject: [PATCH] Bug 593645 - use popup.triggerNode instead of
 document.popupNode for tab context menu; r=dao

---
 browser/base/content/browser.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index b95da1f5e58e..daf47145a6b1 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -8449,8 +8449,8 @@ function restoreLastSession() {
 var TabContextMenu = {
   contextTab: null,
   updateContextMenu: function updateContextMenu(aPopupMenu) {
-    this.contextTab = document.popupNode.localName == "tab" ?
-                      document.popupNode : gBrowser.selectedTab;
+    this.contextTab = aPopupMenu.triggerNode.localName == "tab" ?
+                      aPopupMenu.triggerNode : gBrowser.selectedTab;
     let disabled = gBrowser.visibleTabs.length == 1;
 
     // Enable the "Close Tab" menuitem when the window doesn't close with the last tab.