Cast:Adding cast_transport_config and cleaning up

media/cast/transport/transport/transport.h

Index: media/cast/transport/transport/transport.h
diff --git a/media/cast/transport/transport/transport.h b/media/cast/transport/transport/transport.h
index 9e691967b0c5a2fb8bf2c15c95198462d20631bc..a27569770876762a7b548a3044eda6a1cf0bfd2b 100644
--- a/media/cast/transport/transport/transport.h
+++ b/media/cast/transport/transport/transport.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MEDIA_CAST_TEST_TRANSPORT_TRANSPORT_H_
-#define MEDIA_CAST_TEST_TRANSPORT_TRANSPORT_H_
+#ifndef MEDIA_CAST_TRANSPORT_TRANSPORT_TRANSPORT_H_
+#define MEDIA_CAST_TRANSPORT_TRANSPORT_TRANSPORT_H_
 
 #include "base/memory/scoped_ptr.h"
-#include "media/cast/cast_config.h"
-#include "media/cast/cast_environment.h"
+#include "media/cast/cast_config.h"  // PacketSender
+#include "media/cast/transport/cast_transport_config.h"
 #include "net/udp/udp_server_socket.h"
 
 
@@ -51,4 +51,4 @@ class Transport {
 }  // namespace cast
 }  // namespace media
 
-#endif  // MEDIA_CAST_TEST_TRANSPORT_TRANSPORT_H_
+#endif  // MEDIA_CAST_TRANSPORT_TRANSPORT_TRANSPORT_H_