Remove FixRate congestion frame type.

net/quic/quic_protocol.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.
 
 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <limits>
 #include <map>
@@ skipping 694 matching lines @@
   // TODO(ianswett): Inline the fields of received_info.
   ReceivedPacketInfo received_info;
 };
 
 // Defines for all types of congestion feedback that will be negotiated in QUIC,
 // kTCP MUST be supported by all QUIC implementations to guarantee 100%
 // compatibility.
 enum CongestionFeedbackType {
   kTCP,  // Used to mimic TCP.
   kInterArrival,  // Use additional inter arrival information.
-  kFixRate,  // Provided for testing.
 };
 
 // Defines for all types of congestion control algorithms that can be used in
 // QUIC. Note that this is separate from the congestion feedback type -
 // some congestion control algorithms may use the same feedback type
 // (Reno and Cubic are the classic example for that).
 enum CongestionControlType {
   kCubic,
   kReno,
-  kFixRateCongestionControl,  // Provided for testing.
   kBBR,
 };
 
 enum LossDetectionType {
   kNack,  // Used to mimic TCP's loss detection.
   kTime,  // Time based loss detection.
 };
 
 struct NET_EXPORT_PRIVATE CongestionFeedbackMessageTCP {
   CongestionFeedbackMessageTCP();
 
   QuicByteCount receive_window;
 };
 
 struct NET_EXPORT_PRIVATE CongestionFeedbackMessageInterArrival {
   CongestionFeedbackMessageInterArrival();
   ~CongestionFeedbackMessageInterArrival();
 
   // The set of received packets since the last feedback was sent, along with
   // their arrival times.
   TimeMap received_packet_times;
 };
 
-struct NET_EXPORT_PRIVATE CongestionFeedbackMessageFixRate {
-  CongestionFeedbackMessageFixRate();
-  QuicBandwidth bitrate;
-};
-
 struct NET_EXPORT_PRIVATE QuicCongestionFeedbackFrame {
   QuicCongestionFeedbackFrame();
   ~QuicCongestionFeedbackFrame();
 
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(
       std::ostream& os, const QuicCongestionFeedbackFrame& c);
 
   CongestionFeedbackType type;
   // This should really be a union, but since the inter arrival struct
   // is non-trivial, C++ prohibits it.
   CongestionFeedbackMessageTCP tcp;
   CongestionFeedbackMessageInterArrival inter_arrival;
-  CongestionFeedbackMessageFixRate fix_rate;
 };
 
 struct NET_EXPORT_PRIVATE QuicRstStreamFrame {
   QuicRstStreamFrame();
   QuicRstStreamFrame(QuicStreamId stream_id,
                      QuicRstStreamErrorCode error_code,
                      QuicStreamOffset bytes_written);
 
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(
       std::ostream& os, const QuicRstStreamFrame& r);
@@ skipping 295 matching lines @@
   // Stores the sequence numbers of all transmissions of this packet.
   // Can never be null.
   SequenceNumberSet* all_transmissions;
   // In flight packets have not been abandoned or lost.
   bool in_flight;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_