Cast:Adding cast_transport_config and cleaning up

media/cast/transport/rtp_sender/rtp_packetizer/rtp_packetizer_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cast/transport/rtp_sender/rtp_packetizer/rtp_packetizer.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
-#include "media/cast/cast_config.h"
 #include "media/cast/transport/pacing/paced_sender.h"
 #include "media/cast/transport/rtp_sender/packet_storage/packet_storage.h"
 #include "media/cast/transport/rtp_sender/rtp_packetizer/test/rtp_header_parser.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
 namespace cast {
 namespace transport {
 
 static const int kPayload = 127;
@@ skipping 126 matching lines @@
   testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kTimestampMs));
   rtp_packetizer_->IncomingEncodedVideoFrame(&video_frame_,
                                              testing_clock_.NowTicks());
   EXPECT_EQ(expected_num_of_packets, rtp_packetizer_->send_packets_count());
   EXPECT_EQ(kFrameSize, rtp_packetizer_->send_octet_count());
 }
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media