Cast:Moving netwrok sender related code to a designated folder

media/cast/video_sender/codecs/vp8/vp8_encoder.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.
 //
 // TODO (pwestin): add a link to the design document describing the generic
 // protocol and the VP8 specific details.
 #include "media/cast/video_sender/codecs/vp8/vp8_encoder.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "media/base/video_frame.h"
 #include "media/cast/cast_defines.h"
-#include "media/cast/rtp_common/rtp_defines.h"
 #include "third_party/libvpx/source/libvpx/vpx/vp8cx.h"
 
 namespace media {
 namespace cast {
 
 static const uint32 kMinIntra = 300;
 
 Vp8Encoder::Vp8Encoder(const VideoSenderConfig& video_config,
                        uint8 max_unacked_frames)
     : cast_config_(video_config),
@@ skipping 339 matching lines @@
   float scale_parameter = 0.5;
   uint32 target_pct = optimal_buffer_size_ms * scale_parameter *
       cast_config_.max_frame_rate / 10;
 
   // Don't go below 3 times the per frame bandwidth.
   return std::max(target_pct, kMinIntra);
 }
 
 }  // namespace cast
 }  // namespace media