Style fixes in rtcp_packet/

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

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h b/webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h
index fdcce1082a31ba09a6385e68169b005070a337e1..42c2a96ce13d9cb12484c6e01b1f0654f8fa1114 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/remb.h
@@ -26,8 +26,8 @@ class Remb : public Psfb {
   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);
@@ -38,16 +38,13 @@ class Remb : public Psfb {
   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'.