diff -r 000000000000 -r 6474c204b198 media/mtransport/transportlayerlog.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/mtransport/transportlayerlog.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- 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 transportlayerlog_h__
+#define transportlayerlog_h__
+
+#include "m_cpp_utils.h"
+#include "transportflow.h"
+#include "transportlayer.h"
+
+namespace mozilla {
+
+class TransportLayerLogging : public TransportLayer {
+public:
+  TransportLayerLogging() {}
+
+  // Overrides for TransportLayer
+  virtual TransportResult SendPacket(const unsigned char *data, size_t len);
+
+  // Signals (forwarded to upper layer)
+  void StateChange(TransportLayer *layer, State state);
+  void PacketReceived(TransportLayer* layer, const unsigned char *data,
+                      size_t len);
+
+  TRANSPORT_LAYER_ID("log")
+
+protected:
+  virtual void WasInserted();
+
+private:
+  DISALLOW_COPY_ASSIGN(TransportLayerLogging);
+};
+
+
+}  // close namespace
+#endif