diff -r 000000000000 -r 6474c204b198 extensions/pref/autoconfig/src/nsReadConfig.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extensions/pref/autoconfig/src/nsReadConfig.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsReadConfig_h
+#define nsReadConfig_h
+
+#include "nsCOMPtr.h"
+#include "nsIReadConfig.h"
+#include "nsIAutoConfig.h"
+#include "nsIObserver.h"
+
+
+class nsReadConfig : public nsIReadConfig,
+                     public nsIObserver
+{
+
+    public:
+
+        NS_DECL_THREADSAFE_ISUPPORTS
+        NS_DECL_NSIREADCONFIG
+        NS_DECL_NSIOBSERVER
+
+        nsReadConfig();
+        virtual ~nsReadConfig();
+
+        nsresult Init();
+
+    protected:
+  
+        nsresult readConfigFile();
+        nsresult openAndEvaluateJSFile(const char *aFileName, int32_t obscureValue, 
+                                        bool isEncoded, bool isBinDir);
+        bool mRead;
+private:
+        nsCOMPtr<nsIAutoConfig> mAutoConfig;
+};
+
+#endif