From b4a2f090480f7d20bf74fccf8aadc3bf53dff64e Mon Sep 17 00:00:00 2001
From: Justin Lebar <justin.lebar@gmail.com>
Date: Tue, 26 Jun 2012 17:18:10 +0200
Subject: [PATCH] Bug 767978 - Create an shistory object for top-level b2g
 mozbrowser. r=bz

--HG--
extra : rebase_source : 55b956588fe6e2fb8dc7aa71b48c88c522ec1cbc
---
 b2g/chrome/content/shell.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/b2g/chrome/content/shell.js b/b2g/chrome/content/shell.js
index 87efb4981f7..8416f1ea38d 100644
--- a/b2g/chrome/content/shell.js
+++ b/b2g/chrome/content/shell.js
@@ -111,6 +111,12 @@ var shell = {
     browserFrame.setAttribute('src', "data:text/html;charset=utf-8,%3C!DOCTYPE html>%3Cbody style='background:black;");
     document.getElementById('shell').appendChild(browserFrame);
 
+    browserFrame.contentWindow
+                .QueryInterface(Ci.nsIInterfaceRequestor)
+                .getInterface(Ci.nsIWebNavigation)
+                .sessionHistory = Cc["@mozilla.org/browser/shistory;1"]
+                                    .createInstance(Ci.nsISHistory);
+
     ['keydown', 'keypress', 'keyup'].forEach((function listenKey(type) {
       window.addEventListener(type, this, false, true);
       window.addEventListener(type, this, true, true);