Move receive_window_ from BbrTcpSender and TcpCubicSender to

net/quic/congestion_control/tcp_cubic_sender.h

 // Copyright (c) 2012 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.
 //
 // TCP cubic send side congestion algorithm, emulates the behavior of
 // TCP cubic.
 
 #ifndef NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_
 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_
 
@@ skipping 22 matching lines @@
   TcpCubicSender(const QuicClock* clock,
                  const RttStats* rtt_stats,
                  bool reno,
                  QuicPacketCount max_tcp_congestion_window,
                  QuicConnectionStats* stats);
   ~TcpCubicSender() override;
 
   // Start implementation of SendAlgorithmInterface.
   void SetFromConfig(const QuicConfig& config, bool is_server) override;
   void SetNumEmulatedConnections(int num_connections) override;
-  void OnIncomingQuicCongestionFeedbackFrame(
-      const QuicCongestionFeedbackFrame& feedback,
-      QuicTime feedback_receive_time) override;
   void OnCongestionEvent(bool rtt_updated,
                          QuicByteCount bytes_in_flight,
                          const CongestionVector& acked_packets,
                          const CongestionVector& lost_packets) override;
   bool OnPacketSent(QuicTime sent_time,
                     QuicByteCount bytes_in_flight,
                     QuicPacketSequenceNumber sequence_number,
                     QuicByteCount bytes,
                     HasRetransmittableData is_retransmittable) override;
   void OnRetransmissionTimeout(bool packets_retransmitted) override;
@@ skipping 16 matching lines @@
  private:
   friend class test::TcpCubicSenderPeer;
 
   // TODO(ianswett): Remove these and migrate to OnCongestionEvent.
   void OnPacketAcked(QuicPacketSequenceNumber acked_sequence_number,
                      QuicByteCount acked_bytes,
                      QuicByteCount bytes_in_flight);
   void OnPacketLost(QuicPacketSequenceNumber largest_loss,
                     QuicByteCount bytes_in_flight);
 
-  QuicByteCount SendWindow() const;
   void MaybeIncreaseCwnd(QuicPacketSequenceNumber acked_sequence_number,
                          QuicByteCount bytes_in_flight);
   bool IsCwndLimited(QuicByteCount bytes_in_flight) const;
   // Methods for isolating PRR from the rest of TCP Cubic.
   void PrrOnPacketLost(QuicByteCount bytes_in_flight);
   void PrrOnPacketAcked(QuicByteCount acked_bytes);
   QuicTime::Delta PrrTimeUntilSend(QuicByteCount bytes_in_flight) const;
 
 
   HybridSlowStart hybrid_slow_start_;
   Cubic cubic_;
   const RttStats* rtt_stats_;
   QuicConnectionStats* stats_;
 
   // If true, Reno congestion control is used instead of Cubic.
   const bool reno_;
 
   // Number of connections to simulate.
   uint32 num_connections_;
 
   // ACK counter for the Reno implementation.
   uint64 congestion_window_count_;
 
-  // Receiver side advertised window.
-  // TODO (jri): Change this variable name to receive_window_bytes_, to avoid
-  // confusion in operations with QuicPacketCount variables
-  // (eg., congestion_window_).
-  QuicByteCount receive_window_;
-
   // Bytes sent and acked since the last loss event.  Used for PRR.
   QuicByteCount prr_out_;
   QuicByteCount prr_delivered_;
   size_t ack_count_since_loss_;
 
   // The congestion window before the last loss event.
   QuicByteCount bytes_in_flight_before_loss_;
 
   // Track the largest packet that has been sent.
   QuicPacketSequenceNumber largest_sent_sequence_number_;
@@ skipping 22 matching lines @@
 
   // Maximum number of outstanding packets for tcp.
   QuicPacketCount max_tcp_congestion_window_;
 
   DISALLOW_COPY_AND_ASSIGN(TcpCubicSender);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_