From 36a89375411f9c89b269bef94bac919d968a1a31 Mon Sep 17 00:00:00 2001
From: "dietrich%mozilla.com" <dietrich%mozilla.com>
Date: Tue, 29 Aug 2006 19:59:40 +0000
Subject: [PATCH] Bug 347336 [SessionStore] Preserve the list of recently
 closed tabs during one session - fix regression (r=mconnor)

---
 browser/components/sessionstore/src/nsSessionStore.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/browser/components/sessionstore/src/nsSessionStore.js b/browser/components/sessionstore/src/nsSessionStore.js
index 3628d3d623e6..e53682189d7d 100644
--- a/browser/components/sessionstore/src/nsSessionStore.js
+++ b/browser/components/sessionstore/src/nsSessionStore.js
@@ -390,6 +390,10 @@ SessionStoreService.prototype = {
    *        Window reference
    */
   onLoad: function sss_onLoad(aWindow) {
+    // return if window has already been initialized
+    if (aWindow && aWindow.__SSi && this._windows[aWindow.__SSi])
+      return;
+
     var _this = this;
 
     // ignore non-browser windows and windows opened while shutting down