From 9fdf43d46e84296d88cdb58acf0f41da9d0d34db Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Mon, 4 Oct 2010 10:20:07 -0400
Subject: [PATCH] Provide XPCNativeWrapper.unwrap if it doesn't exist. Closes
 issue #38.

---
 common/modules/base.jsm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/modules/base.jsm b/common/modules/base.jsm
index cf00e002..d45ed4dd 100644
--- a/common/modules/base.jsm
+++ b/common/modules/base.jsm
@@ -14,6 +14,12 @@ Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 let objproto = Object.prototype;
 let hasOwnProperty = objproto.hasOwnProperty;
 
+if (!XPCNativeWrapper.unwrap)
+    XPCNativeWrapper.unwrap = function (obj) {
+        if (hasOwnProperty.call(obj, "wrappedJSObject"))
+            return obj.wrappedJSObject;
+        return obj;
+    }
 if (!Object.create)
     Object.create = function (proto, props) {
         let obj = { __proto__: proto };