diff -r 000000000000 -r 6474c204b198 extensions/pref/autoconfig/src/nsConfigFactory.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extensions/pref/autoconfig/src/nsConfigFactory.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ModuleUtils.h"
+#include "nsAutoConfig.h"
+#include "nsReadConfig.h"
+#include "nsIAppStartupNotifier.h"
+
+NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsAutoConfig, Init)
+NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsReadConfig, Init)
+
+NS_DEFINE_NAMED_CID(NS_AUTOCONFIG_CID);
+NS_DEFINE_NAMED_CID(NS_READCONFIG_CID);
+
+static const mozilla::Module::CIDEntry kAutoConfigCIDs[] = {
+  { &kNS_AUTOCONFIG_CID, false, nullptr, nsAutoConfigConstructor },
+  { &kNS_READCONFIG_CID, false, nullptr, nsReadConfigConstructor },
+  { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kAutoConfigContracts[] = {
+  { NS_AUTOCONFIG_CONTRACTID, &kNS_AUTOCONFIG_CID },
+  { NS_READCONFIG_CONTRACTID, &kNS_READCONFIG_CID },
+  { nullptr }
+};
+
+static const mozilla::Module::CategoryEntry kAutoConfigCategories[] = {
+  { "pref-config-startup", "ReadConfig Module", NS_READCONFIG_CONTRACTID },
+  { nullptr }
+};
+
+static const mozilla::Module kAutoConfigModule = {
+  mozilla::Module::kVersion,
+  kAutoConfigCIDs,
+  kAutoConfigContracts,
+  kAutoConfigCategories
+};
+
+NSMODULE_DEFN(nsAutoConfigModule) = &kAutoConfigModule;