diff -r 000000000000 -r 6474c204b198 toolkit/system/gnome/nsGConfService.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/system/gnome/nsGConfService.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+/* -*- 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/. */
+
+#ifndef nsGConfService_h_
+#define nsGConfService_h_
+
+#include "nsIGConfService.h"
+#include "gconf/gconf-client.h"
+#include "mozilla/Attributes.h"
+
+#define NS_GCONFSERVICE_CID \
+{0xd96d5985, 0xa13a, 0x4bdc, {0x93, 0x86, 0xef, 0x34, 0x8d, 0x7a, 0x97, 0xa1}}
+
+class nsGConfService MOZ_FINAL : public nsIGConfService
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIGCONFSERVICE
+
+  nsGConfService() : mClient(nullptr) {}
+  NS_HIDDEN_(nsresult) Init();
+
+private:
+  ~nsGConfService() NS_HIDDEN;
+
+  GConfClient *mClient;
+};
+
+#endif