From 8bbb3558972dc901326b5956694c029001a3134d Mon Sep 17 00:00:00 2001
From: Marco Bonardo <mbonardo@mozilla.com>
Date: Fri, 16 Mar 2012 16:13:34 +0100
Subject: [PATCH] Bug 736456 - Cache the spec in captureAndStore, since
 currentURI may not be available later; r=ttaubert

---
 browser/components/thumbnails/PageThumbs.jsm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/browser/components/thumbnails/PageThumbs.jsm b/browser/components/thumbnails/PageThumbs.jsm
index ca98a03d878..3512b89d623 100644
--- a/browser/components/thumbnails/PageThumbs.jsm
+++ b/browser/components/thumbnails/PageThumbs.jsm
@@ -109,6 +109,7 @@ let PageThumbs = {
    * @param aCallback The function to be called when finished (optional).
    */
   captureAndStore: function PageThumbs_captureAndStore(aBrowser, aCallback) {
+    let url = aBrowser.currentURI.spec;
     this.capture(aBrowser.contentWindow, function (aInputStream) {
       let telemetryStoreTime = new Date();
 
@@ -123,7 +124,7 @@ let PageThumbs = {
       }
 
       // Get a writeable cache entry.
-      PageThumbsCache.getWriteEntry(aBrowser.currentURI.spec, function (aEntry) {
+      PageThumbsCache.getWriteEntry(url, function (aEntry) {
         if (!aEntry) {
           finish(false);
           return;