Implement a QUIC No PRR connection option, NPRR. Protected by FLAGS_quic_allow_no_prr

net/quic/congestion_control/tcp_cubic_sender_base.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_BASE_H_
 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_BASE_H_
 
 #include <stdint.h>
@@ skipping 125 matching lines @@
   // Whether to use 4 packets as the actual min, but pace lower.
   bool min4_mode_;
 
   // Whether the last loss event caused us to exit slowstart.
   // Used for stats collection of slowstart_packets_lost
   bool last_cutback_exited_slowstart_;
 
   // When true, exit slow start with large cutback of congestion window.
   bool slow_start_large_reduction_;
 
+  // When true, use unity pacing instead of PRR.
+  bool no_prr_;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TcpCubicSenderBase);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_BASE_H_