From 00fc6e1f7e9530c7fef9c2ca4d4dd7c30751736a Mon Sep 17 00:00:00 2001
From: Eric Faust <efaustbmo@gmail.com>
Date: Tue, 15 Apr 2014 13:08:41 -0700
Subject: [PATCH] Bug 978235 - Add missing JSAutoCompartment to
 JavaScriptChild.cpp. (r=terrence over IRC)

---
 js/ipc/JavaScriptChild.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/ipc/JavaScriptChild.cpp b/js/ipc/JavaScriptChild.cpp
index 0958eb3368cc..c554f9a108ac 100644
--- a/js/ipc/JavaScriptChild.cpp
+++ b/js/ipc/JavaScriptChild.cpp
@@ -439,6 +439,8 @@ JavaScriptChild::AnswerIsExtensible(const ObjectId &objId, ReturnStatus *rs, boo
     if (!obj)
         return false;
 
+    JSAutoCompartment comp(cx, obj);
+
     bool extensible;
     if (!JS_IsExtensible(cx, obj, &extensible))
         return fail(cx, rs);