Cleanup and adding GetCongestionControlType.

net/quic/quic_protocol.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/quic_protocol.h"
 
 #include "base/stl_util.h"
 #include "net/quic/quic_utils.h"
 
 using base::StringPiece;
@@ skipping 515 matching lines @@
     case kFixRate: {
       os << " bitrate_in_bytes_per_second: "
          << congestion_frame.fix_rate.bitrate.ToBytesPerSecond();
       break;
     }
     case kTCP: {
       const CongestionFeedbackMessageTCP& tcp = congestion_frame.tcp;
       os << " receive_window: " << tcp.receive_window;
       break;
     }
-    case kTCPBBR: {
-      LOG(DFATAL) << "TCPBBR is not yet supported.";
-      break;
-    }
   }
   return os;
 }
 
 CongestionFeedbackMessageFixRate::CongestionFeedbackMessageFixRate()
     : bitrate(QuicBandwidth::Zero()) {
 }
 
 QuicGoAwayFrame::QuicGoAwayFrame()
     : error_code(QUIC_NO_ERROR),
@@ skipping 234 matching lines @@
       sent_time(QuicTime::Zero()),
       bytes_sent(0),
       nack_count(0),
       transmission_type(transmission_type),
       all_transmissions(all_transmissions),
       in_flight(false) {
   all_transmissions->insert(sequence_number);
 }
 
 }  // namespace net