Remove lastest_revived_packet from QuicAckFrame since FEC is gone. No functional change expected.

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_flags.h"
 #include "net/quic/quic_utils.h"
 
@@ skipping 270 matching lines @@
 QuicStopWaitingFrame::QuicStopWaitingFrame()
     : path_id(kDefaultPathId), entropy_hash(0), least_unacked(0) {}
 
 QuicStopWaitingFrame::~QuicStopWaitingFrame() {}
 
 QuicAckFrame::QuicAckFrame()
     : path_id(kDefaultPathId),
       entropy_hash(0),
       is_truncated(false),
       largest_observed(0),
-      ack_delay_time(QuicTime::Delta::Infinite()),
-      latest_revived_packet(0) {}
+      ack_delay_time(QuicTime::Delta::Infinite()) {}
 
 QuicAckFrame::QuicAckFrame(const QuicAckFrame& other) = default;
 
 QuicAckFrame::~QuicAckFrame() {}
 
 QuicRstStreamErrorCode AdjustErrorForVersion(QuicRstStreamErrorCode error_code,
                                              QuicVersion /*version*/) {
   return error_code;
 }
 
@@ skipping 215 matching lines @@
   }
   return os;
 }
 
 ostream& operator<<(ostream& os, const QuicAckFrame& ack_frame) {
   os << "entropy_hash: " << static_cast<int>(ack_frame.entropy_hash)
      << " largest_observed: " << ack_frame.largest_observed
      << " ack_delay_time: " << ack_frame.ack_delay_time.ToMicroseconds()
      << " missing_packets: [ " << ack_frame.missing_packets
      << " ] is_truncated: " << ack_frame.is_truncated
-     << " revived_packet: " << ack_frame.latest_revived_packet
      << " received_packets: [ ";
   for (const std::pair<QuicPacketNumber, QuicTime>& p :
        ack_frame.received_packet_times) {
     os << p.first << " at " << p.second.ToDebuggingValue() << " ";
   }
   os << " ]";
   return os;
 }
 
 ostream& operator<<(ostream& os, const QuicFrame& frame) {
@@ skipping 251 matching lines @@
       is_fec_packet(is_fec_packet),
       has_crypto_handshake(has_crypto_handshake),
       needs_padding(needs_padding),
       retransmission(0) {}
 
 TransmissionInfo::TransmissionInfo(const TransmissionInfo& other) = default;
 
 TransmissionInfo::~TransmissionInfo() {}
 
 }  // namespace net