cast: cleanup rtp header and parsing

media/cast/net/rtp/rtp_header_parser.h

-// Copyright 2014 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.
-
-// Utility parser for rtp packetizer unittests
-#ifndef MEDIA_CAST_NET_RTP_RTP_HEADER_PARSER_H_
-#define MEDIA_CAST_NET_RTP_RTP_HEADER_PARSER_H_
-
-#include "base/basictypes.h"
-#include "media/cast/net/cast_transport_defines.h"
-
-namespace media {
-namespace cast {
-
-// TODO(miu): Kill this and use RtpCastHeader instead.
-struct RtpCastTestHeader {
-  RtpCastTestHeader();
-  ~RtpCastTestHeader();
-  // Cast specific.
-  bool is_key_frame;
-  uint32 frame_id;
-  uint16 packet_id;
-  uint16 max_packet_id;
-  bool is_reference;  // Set to true if the previous frame is not available,
-                      // and the reference frame id  is available.
-  uint32 reference_frame_id;
-
-  // Rtp Generic.
-  bool marker;
-  uint16 sequence_number;
-  uint32 rtp_timestamp;
-  uint32 ssrc;
-  int payload_type;
-  uint8 num_csrcs;
-  uint8 audio_num_energy;
-  int header_length;
-};
-
-// TODO(miu): Kill this and use RtpParser instead.
-class RtpHeaderParser {
- public:
-  RtpHeaderParser(const uint8* rtpData, size_t rtpDataLength);
-  ~RtpHeaderParser();
-
-  bool Parse(RtpCastTestHeader* parsed_packet) const;
-
- private:
-  bool ParseCommon(RtpCastTestHeader* parsed_packet) const;
-  bool ParseCast(RtpCastTestHeader* parsed_packet) const;
-  const uint8* const rtp_data_begin_;
-  size_t length_;
-
-  mutable FrameIdWrapHelper frame_id_wrap_helper_;
-  mutable FrameIdWrapHelper reference_frame_id_wrap_helper_;
-
-  DISALLOW_COPY_AND_ASSIGN(RtpHeaderParser);
-};
-
-}  // namespace cast
-}  // namespace media
-
-#endif  // MEDIA_CAST_NET_RTP_RTP_HEADER_PARSER_H_