Cast: Simplify code path for RTCP sender report

media/cast/transport/rtp_sender/rtp_packetizer/rtp_packetizer.h

 // 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.
 
 #ifndef MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_H_
 #define MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_H_
 
 #include <cmath>
 #include <list>
 #include <map>
@@ skipping 38 matching lines @@
 // This class break encoded audio and video frames into packets and add an RTP
 // header to each packet.
 class RtpPacketizer {
  public:
   RtpPacketizer(PacedSender* const transport,
                 PacketStorage* packet_storage,
                 RtpPacketizerConfig rtp_packetizer_config);
   ~RtpPacketizer();
 
   // The video_frame objects ownership is handled by the main cast thread.
+  // |capture_time| is only used for scheduling of outgoing packets.
   void IncomingEncodedVideoFrame(const EncodedVideoFrame* video_frame,
                                  const base::TimeTicks& capture_time);
 
   // The audio_frame objects ownership is handled by the main cast thread.
+  // |recorded_time| is only used for scheduling of outgoing packets.
   void IncomingEncodedAudioFrame(const EncodedAudioFrame* audio_frame,
                                  const base::TimeTicks& recorded_time);
 
-  bool LastSentTimestamp(base::TimeTicks* time_sent,
-                         uint32* rtp_timestamp) const;
-
   // Return the next sequence number, and increment by one. Enables unique
   // incremental sequence numbers for every packet (including retransmissions).
   uint16 NextSequenceNumber();
 
-  int send_packets_count() { return send_packets_count_; }
-
-  size_t send_octet_count() { return send_octet_count_; }
+  size_t send_packet_count() const { return send_packet_count_; }
+  size_t send_octet_count() const { return send_octet_count_; }
 
  private:
   void Cast(bool is_key,
             uint32 frame_id,
             uint32 reference_frame_id,
             uint32 timestamp,
             const std::string& data,
             const base::TimeTicks& capture_time);
 
   void BuildCommonRTPheader(Packet* packet, bool marker_bit, uint32 time_stamp);
 
   RtpPacketizerConfig config_;
   PacedSender* const transport_;  // Not owned by this class.
   PacketStorage* packet_storage_;
 
-  base::TimeTicks time_last_sent_rtp_timestamp_;
   uint16 sequence_number_;
   uint32 rtp_timestamp_;
   uint16 packet_id_;
 
-  int send_packets_count_;
+  size_t send_packet_count_;
   size_t send_octet_count_;
 };
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_H_