diff -r 000000000000 -r 6474c204b198 gfx/layers/ipc/FenceUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/ipc/FenceUtils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 IPC_FencerUtils_h
+#define IPC_FencerUtils_h
+
+#include "ipc/IPCMessageUtils.h"
+
+/**
+ * FenceHandle is used for delivering Fence object via ipc.
+ */
+#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
+# include "mozilla/layers/FenceUtilsGonk.h"
+#else
+namespace mozilla {
+namespace layers {
+struct FenceHandle {
+  bool operator==(const FenceHandle&) const { return false; }
+  bool IsValid() const { return false; }
+};
+} // namespace layers
+} // namespace mozilla
+#endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
+
+namespace IPC {
+
+#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
+#else
+template <>
+struct ParamTraits<mozilla::layers::FenceHandle> {
+  typedef mozilla::layers::FenceHandle paramType;
+  static void Write(Message*, const paramType&) {}
+  static bool Read(const Message*, void**, paramType*) { return false; }
+};
+#endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
+
+} // namespace IPC
+
+#endif // IPC_FencerUtils_h