relnote: Adds Slow Start with Large Reduction (SSLR) option in QUIC to do a large reduction of the …

net/quic/congestion_control/tcp_cubic_bytes_sender.h

 // Copyright (c) 2015 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_BYTES_SENDER_H_
 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_
 
 #include <stdint.h>
@@ skipping 122 matching lines @@
   bool last_cutback_exited_slowstart_;
 
   // Initial TCP congestion window in bytes. This variable can only be set when
   // this algorithm is created.
   const QuicByteCount initial_tcp_congestion_window_;
 
   // Initial maximum TCP congestion window in bytes. This variable can only be
   // set when this algorithm is created.
   const QuicByteCount initial_max_tcp_congestion_window_;
 
+  // When true, exit slow start with large cutback of congestion window.
+  bool slow_start_large_reduction_;
+
   DISALLOW_COPY_AND_ASSIGN(TcpCubicBytesSender);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_