Add a new QUIC connection option, 5RTO, which closes the QUIC connection after 5 consecutive RTOs. …

net/quic/quic_connection.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.
 //
 // The entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 883 matching lines @@
   bool save_crypto_packets_as_termination_packets_;
 
   // Contains the connection close packets if the connection has been closed.
   scoped_ptr<std::vector<QuicEncryptedPacket*>> termination_packets_;
 
   // When true, the connection does not send a close packet on idle timeout due
   // to lack of network activity.
   // This is particularly important on mobile, where connections are short.
   bool silent_close_enabled_;
 
+  // When true, close the QUIC connection after 5 RTOs.  Due to the min rto of
+  // 200ms, this is over 5 seconds.
+  bool close_connection_after_five_rtos_;
+
   QuicReceivedPacketManager received_packet_manager_;
   QuicSentEntropyManager sent_entropy_manager_;
 
   // Indicates whether an ack should be sent the next time we try to write.
   bool ack_queued_;
   // How many retransmittable packets have arrived without sending an ack.
   QuicPacketCount num_retransmittable_packets_received_since_last_ack_sent_;
   // Whether there were missing packets in the last sent ack.
   bool last_ack_had_missing_packets_;
   // How many consecutive packets have arrived without sending an ack.
@@ skipping 131 matching lines @@
 
   // If true, multipath is enabled for this connection.
   bool multipath_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_