diff -r 000000000000 -r 6474c204b198 media/mtransport/m_cpp_utils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/mtransport/m_cpp_utils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+// Original author: ekr@rtfm.com
+
+#ifndef m_cpp_utils_h__
+#define m_cpp_utils_h__
+
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+
+#define DISALLOW_ASSIGNMENT(T) \
+  void operator=(const T& other) MOZ_DELETE
+
+#define DISALLOW_COPY(T) \
+  T(const T& other) MOZ_DELETE
+
+
+#define DISALLOW_COPY_ASSIGN(T) \
+  DISALLOW_COPY(T); \
+  DISALLOW_ASSIGNMENT(T)
+
+}  // close namespace
+#endif