diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/IPDLUnitTestSubprocess.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/IPDLUnitTestSubprocess.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* 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 mozilla__ipdltest_IPDLUnitTestTestSubprocess_h
+#define mozilla__ipdltest_IPDLUnitTestTestSubprocess_h 1
+
+
+#include "mozilla/ipc/GeckoChildProcessHost.h"
+
+namespace mozilla {
+namespace _ipdltest {
+//-----------------------------------------------------------------------------
+
+class IPDLUnitTestSubprocess : public mozilla::ipc::GeckoChildProcessHost
+{
+public:
+  IPDLUnitTestSubprocess();
+  ~IPDLUnitTestSubprocess();
+
+  /**
+   * Asynchronously launch the plugin process.
+   */
+  // Could override parent Launch, but don't need to here
+  //bool Launch();
+
+private:
+  DISALLOW_EVIL_CONSTRUCTORS(IPDLUnitTestSubprocess);
+};
+
+
+} // namespace _ipdltest
+} // namespace mozilla
+
+
+#endif // ifndef mozilla__ipdltest_IPDLUnitTestTestSubprocess_h