diff -r 000000000000 -r 6474c204b198 extensions/pref/autoconfig/public/nsIAutoConfig.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extensions/pref/autoconfig/public/nsIAutoConfig.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- Mode: IDL; 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 "nsISupports.idl"
+
+
+%{C++
+
+#define NS_AUTOCONFIG_CID\
+  { 0xe036c738,\
+    0x1dd1,\
+    0x11b2,\
+    { 0x93, 0x92, 0x9d, 0x94, 0xaa, 0x74, 0xb0, 0xc5 }\
+  }
+ 
+#define NS_AUTOCONFIG_CONTRACTID \
+  "@mozilla.org/autoconfiguration;1" 
+
+%}
+
+[uuid (80DB54AE-13F2-11d5-BE44-00108335A220)]
+interface nsIAutoConfig : nsISupports {
+  attribute string configURL;
+};