diff -r 000000000000 -r 6474c204b198 toolkit/xre/nsNativeAppSupportBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/xre/nsNativeAppSupportBase.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- 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 nsNativeAppSupportBase_h__
+#define nsNativeAppSupportBase_h__
+
+#include "nsAppRunner.h"
+#include "nsINativeAppSupport.h"
+
+// nsNativeAppSupportBase
+//
+// This is a default implementation of the nsINativeAppSupport interface
+// declared in mozilla/xpfe/appshell/public/nsINativeAppSupport.h.
+
+class nsNativeAppSupportBase : public nsINativeAppSupport {
+public:
+    nsNativeAppSupportBase();
+    virtual ~nsNativeAppSupportBase();
+
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSINATIVEAPPSUPPORT
+};
+
+#endif