diff -r 000000000000 -r 6474c204b198 dom/apps/tests/chromeAddCert.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/apps/tests/chromeAddCert.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+const Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/StoreTrustAnchor.jsm");
+
+// This is all that's needed now
+TrustedRootCertificate.index = Ci.nsIX509CertDB.AppXPCShellRoot;
+
+sendAsyncMessage("addCertCompleted");