Style fixes in rtcp_packet/

webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h

 /*
  *  Copyright (c) 2016 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.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMB_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMB_H_
 
 #include <vector>
 
 #include "webrtc/base/basictypes.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/psfb.h"
 
 namespace webrtc {
 namespace rtcp {
 class CommonHeader;
 
 // Receiver Estimated Max Bitrate (REMB) (draft-alvestrand-rmcat-remb).
 class Remb : public Psfb {
  public:
   static constexpr uint8_t kFeedbackMessageType = 15;
   static constexpr size_t kMaxNumberOfSsrcs = 0xff;
 
-  Remb() : bitrate_bps_(0) {}
-  ~Remb() override {}
+  Remb();
+  ~Remb() override;
 
   // Parse assumes header is already parsed and validated.
   bool Parse(const CommonHeader& packet);
 
   bool SetSsrcs(std::vector<uint32_t> ssrcs);
   void SetBitrateBps(uint64_t bitrate_bps) { bitrate_bps_ = bitrate_bps; }
 
   uint64_t bitrate_bps() const { return bitrate_bps_; }
   const std::vector<uint32_t>& ssrcs() const { return ssrcs_; }
 
- protected:
+  size_t BlockLength() const override;
+
   bool Create(uint8_t* packet,
               size_t* index,
               size_t max_length,
               RtcpPacket::PacketReadyCallback* callback) const override;
 
-  size_t BlockLength() const override {
-    return kHeaderLength + kCommonFeedbackLength + (2 + ssrcs_.size()) * 4;
-  }
-
  private:
   static constexpr uint32_t kUniqueIdentifier = 0x52454D42;  // 'R' 'E' 'M' 'B'.
 
   // Media ssrc is unused, shadow base class setter and getter.
   void SetMediaSsrc(uint32_t);
   uint32_t media_ssrc() const;
 
   uint64_t bitrate_bps_;
   std::vector<uint32_t> ssrcs_;
 };
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMB_H_