Move receive_window_ from BbrTcpSender and TcpCubicSender to

net/quic/quic_sent_packet_manager.h

 // Copyright 2013 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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 328 matching lines @@
   AckNotifierManager ack_notifier_manager_;
 
   const QuicClock* clock_;
   QuicConnectionStats* stats_;
   DebugDelegate* debug_delegate_;
   NetworkChangeVisitor* network_change_visitor_;
   RttStats rtt_stats_;
   scoped_ptr<SendAlgorithmInterface> send_algorithm_;
   scoped_ptr<LossDetectionInterface> loss_algorithm_;
 
+  // Receiver side buffer in bytes.
+  QuicByteCount receive_buffer_bytes_;
+
   // Least sequence number which the peer is still waiting for.
   QuicPacketSequenceNumber least_packet_awaited_by_peer_;
 
   // Tracks the first RTO packet.  If any packet before that packet gets acked,
   // it indicates the RTO was spurious and should be reversed(F-RTO).
   QuicPacketSequenceNumber first_rto_transmission_;
   // Number of times the RTO timer has fired in a row without receiving an ack.
   size_t consecutive_rto_count_;
   // Number of times the tail loss probe has been sent.
   size_t consecutive_tlp_count_;
@@ skipping 18 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_