diff -r 000000000000 -r 6474c204b198 toolkit/components/perf/PerfMeasurement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/perf/PerfMeasurement.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*-  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 COMPONENTS_PERFMEASUREMENT_H
+#define COMPONENTS_PERFMEASUREMENT_H
+
+#include "nsIXPCScriptable.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace jsperf {
+
+class Module MOZ_FINAL : public nsIXPCScriptable
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIXPCSCRIPTABLE
+
+  Module();
+
+private:
+  ~Module();
+};
+
+}
+}
+
+#endif