Add Cast PLI support on sender side.

media/cast/net/rtcp/receiver_rtcp_session.h

 // Copyright 2015 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_NET_RTCP_RECEIVER_RTCP_SESSION_H_
 #define MEDIA_CAST_NET_RTCP_RECEIVER_RTCP_SESSION_H_
 
 #include "base/time/tick_clock.h"
 #include "media/cast/common/clock_drift_smoother.h"
 #include "media/cast/net/pacing/paced_sender.h"
@@ skipping 25 matching lines @@
   uint32_t remote_ssrc() const { return remote_ssrc_; }
 
   // |cast_message|, |rtcp_events| and |rtp_receiver_statistics| are optional;
   // if |cast_message| is provided the RTCP receiver report will append a Cast
   // message containing Acks and Nacks; |target_delay| is sent together with
   // |cast_message|. If |rtcp_events| is provided the RTCP receiver report will
   // append the log messages.
   void SendRtcpReport(
       RtcpTimeData time_data,
       const RtcpCastMessage* cast_message,
+      const RtcpPliMessage* pli_message,
       base::TimeDelta target_delay,
       const ReceiverRtcpEventSubscriber::RtcpEvents* rtcp_events,
       const RtpReceiverStatistics* rtp_receiver_statistics) const;
 
   // Handle incoming RTCP packet.
   // Returns false if it is not a RTCP packet or it is not directed to
   // this session, e.g. SSRC doesn't match.
   bool IncomingRtcpPacket(const uint8_t* data, size_t length) override;
 
   // If available, returns true and sets the output arguments to the latest
@@ skipping 43 matching lines @@
   // re-construct "expanded" values.
   RtcpParser parser_;
 
   DISALLOW_COPY_AND_ASSIGN(ReceiverRtcpSession);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_NET_RTCP_RECEIVER_RTCP_SESSION_H_