Cast: Simplify code path for RTCP sender report

media/cast/transport/transport_video_sender.h

Index: media/cast/transport/transport_video_sender.h
diff --git a/media/cast/transport/transport_video_sender.h b/media/cast/transport/transport_video_sender.h
index 9bb2267216fc3a05d6957b97cdfed3f53fa3d154..151065befa9db359e6d80793b8756088d6c17176 100644
--- a/media/cast/transport/transport_video_sender.h
+++ b/media/cast/transport/transport_video_sender.h
@@ -44,12 +44,11 @@ class TransportVideoSender : public base::NonThreadSafe {
   void ResendPackets(
       const MissingFramesAndPacketsMap& missing_frames_and_packets);
 
+  size_t send_packet_count() const { return rtp_sender_.send_packet_count(); }
+  size_t send_octet_count() const { return rtp_sender_.send_octet_count(); }
+  uint32 ssrc() const { return rtp_sender_.ssrc(); }
   bool initialized() const { return initialized_; }
 
-  // Subscribe callback to get RTP Audio stats.
-  void SubscribeVideoRtpStatsCallback(
-      const CastTransportRtpStatistics& callback);
-
  private:
   // Caller must allocate the destination |encrypted_video_frame| the data
   // member will be resized to hold the encrypted size.