Style fixes in rtcp_packet/

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

 /*
  *  Copyright (c) 2015 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 51 matching lines @@
   // Get the reference time in microseconds, including any precision loss.
   int64_t GetBaseTimeUs() const;
 
   bool Parse(const CommonHeader& packet);
   static std::unique_ptr<TransportFeedback> ParseFrom(const uint8_t* buffer,
                                                       size_t length);
   // Pre and postcondition for all public methods. Should always return true.
   // This function is for tests.
   bool IsConsistent() const;
 
- protected:
+  size_t BlockLength() const override;
+
   bool Create(uint8_t* packet,
               size_t* position,
               size_t max_length,
               PacketReadyCallback* callback) const override;
 
-  size_t BlockLength() const override;
-
  private:
   // Size in bytes of a delta time in rtcp packet.
   // Valid values are 0 (packet wasn't received), 1 or 2.
   using DeltaSize = uint8_t;
   // Keeps DeltaSizes that can be encoded into single chunk if it is last chunk.
   class LastChunk;
 
   // Reset packet to consistent empty state.
   void Clear();
 
   bool AddDeltaSize(DeltaSize delta_size);
 
   uint16_t base_seq_no_;
   uint16_t num_seq_no_;
   int32_t base_time_ticks_;
   uint8_t feedback_seq_;
 
   int64_t last_timestamp_us_;
   std::vector<ReceivedPacket> packets_;
   // All but last encoded packet chunks.
   std::vector<uint16_t> encoded_chunks_;
   const std::unique_ptr<LastChunk> last_chunk_;
   size_t size_bytes_;
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TRANSPORT_FEEDBACK_H_