Cleanup and adding GetCongestionControlType.

net/quic/congestion_control/tcp_cubic_sender.cc

 // 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.
 
 #include "net/quic/congestion_control/tcp_cubic_sender.h"
 
 #include <algorithm>
 
 #include "base/metrics/histogram.h"
 #include "net/quic/congestion_control/rtt_stats.h"
@@ skipping 327 matching lines @@
   // Checks a simplified version of the PRR formula that doesn't use division:
   // AvailableSendWindow =
   //   CEIL(prr_delivered * ssthresh / BytesInFlightAtLoss) - prr_sent
   if (prr_delivered_ * slowstart_threshold_ * kMaxSegmentSize >
           prr_out_ * bytes_in_flight_before_loss_) {
     return QuicTime::Delta::Zero();
   }
   return QuicTime::Delta::Infinite();
 }
 
+CongestionControlType TcpCubicSender::GetCongestionControlType() const {
+  return reno_ ? kReno : kCubic;
+}
+
 }  // namespace net