From 5cd5943910ba749326e72a921a764eb2c7e5b158 Mon Sep 17 00:00:00 2001
From: Bobby Holley <bobbyholley@gmail.com>
Date: Fri, 7 Sep 2012 11:28:56 -0700
Subject: [PATCH] Bug 788914 - Recompute cross-compartment wrappers when
 UniversalXPConnect is enabled. r=mrbkap

---
 js/xpconnect/src/xpcprivate.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/js/xpconnect/src/xpcprivate.h b/js/xpconnect/src/xpcprivate.h
index f575a7e4d43c..fd554fc35640 100644
--- a/js/xpconnect/src/xpcprivate.h
+++ b/js/xpconnect/src/xpcprivate.h
@@ -4407,6 +4407,13 @@ inline void EnableUniversalXPConnect(JSContext *cx)
     if (!priv)
         return;
     priv->universalXPConnectEnabled = true;
+
+    // Recompute all the cross-compartment wrappers leaving the newly-privileged
+    // compartment.
+    mozilla::DebugOnly<bool> rv;
+    rv = js::RecomputeWrappers(cx, js::SingleCompartment(compartment),
+                               js::AllCompartments());
+    MOZ_ASSERT(rv);
 }
 
 }