From e893f27ae0eb6047618a7567127b4ce40bf8a4f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A3o=20Gottwald?= <dao@mozilla.com>
Date: Sat, 28 Nov 2009 09:58:11 +0100
Subject: [PATCH] browser_490040.js cleanup

---
 .../components/sessionstore/test/browser/browser_490040.js  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/browser/components/sessionstore/test/browser/browser_490040.js b/browser/components/sessionstore/test/browser/browser_490040.js
index 9728a7ffc57..7ee5cd6c5a2 100644
--- a/browser/components/sessionstore/test/browser/browser_490040.js
+++ b/browser/components/sessionstore/test/browser/browser_490040.js
@@ -66,12 +66,16 @@ function test() {
     gPrefService.setIntPref("browser.sessionstore.max_windows_undo",
                             curClosedWindowCount + 1);
 
+    var origWin;
     let windowObserver = {
       observe: function(aSubject, aTopic, aData) {
         let theWin = aSubject.QueryInterface(Ci.nsIDOMWindow);
+        if (origWin && theWin != origWin)
+          return;
 
-        switch(aTopic) {
+        switch (aTopic) {
           case "domwindowopened":
+            origWin = theWin;
             theWin.addEventListener("load", function () {
               theWin.removeEventListener("load", arguments.callee, false);
               executeSoon(function() {