diff -r 000000000000 -r 6474c204b198 hal/HalImpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hal/HalImpl.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et ft=cpp : */
+/* 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_HalImpl_h
+#define mozilla_HalImpl_h
+
+#ifdef MOZ_UNIFIED_BUILD
+#error Cannot use HalImpl.h in unified builds.
+#endif
+
+#define MOZ_HAL_NAMESPACE hal_impl
+#undef mozilla_Hal_h
+#undef mozilla_HalInternal_h
+#include "Hal.h"
+#include "HalInternal.h"
+#undef MOZ_HAL_NAMESPACE
+
+#endif // mozilla_HalImpl_h