[rtp_rtcp] rtcp::Fir cleaned and got Parse function.

webrtc/modules/rtp_rtcp/source/rtcp_packet.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  *
  */
@@ skipping 20 matching lines @@
 //  ReportBlock report_block;
 //  report_block.To(234)
 //  report_block.FractionLost(10);
 //
 //  ReceiverReport rr;
 //  rr.From(123);
 //  rr.WithReportBlock(&report_block)
 //
 //  Fir fir;
 //  fir.From(123);
-//  fir.To(234)
-//  fir.WithCommandSeqNum(123);
+//  fir.WithRequestTo(234, 56);
 //
 //  size_t length = 0;                     // Builds an intra frame request
-//  uint8_t packet[kPacketSize];           // with sequence number 123.
+//  uint8_t packet[kPacketSize];           // with sequence number 56.
 //  fir.Build(packet, &length, kPacketSize);
 //
 //  RawPacket packet = fir.Build();        // Returns a RawPacket holding
 //                                         // the built rtcp packet.
 //
 //  rr.Append(&fir)                        // Builds a compound RTCP packet with
 //  RawPacket packet = rr.Build();         // a receiver report, report block
 //                                         // and fir message.
 
 class RtcpPacket {
@@ skipping 83 matching lines @@
 
  private:
   const size_t buffer_length_;
   size_t length_;
   rtc::scoped_ptr<uint8_t[]> buffer_;
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_