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

net/quic/quic_connection_logger.cc

 // Copyright (c) 2013 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_connection_logger.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 105 matching lines @@
   dict->SetString("delta_time_largest_observed_us",
                   base::Int64ToString(frame->ack_delay_time.ToMicroseconds()));
   dict->SetInteger("entropy_hash", frame->entropy_hash);
   dict->SetBoolean("truncated", frame->is_truncated);
 
   base::ListValue* missing = new base::ListValue();
   dict->Set("missing_packets", missing);
   for (QuicPacketNumber packet : frame->missing_packets)
     missing->AppendString(base::Uint64ToString(packet));
 
-  dict->SetString("latest_revived_packet",
-                  base::Int64ToString(frame->latest_revived_packet));
-
   base::ListValue* received = new base::ListValue();
   dict->Set("received_packet_times", received);
   const PacketTimeVector& received_times = frame->received_packet_times;
   for (PacketTimeVector::const_iterator it = received_times.begin();
        it != received_times.end(); ++it) {
     base::DictionaryValue* info = new base::DictionaryValue();
     info->SetInteger("packet_number", static_cast<int>(it->first));
     info->SetString("received",
                     base::Int64ToString(it->second.ToDebuggingValue()));
     received->Append(info);
@@ skipping 724 matching lines @@
       continue;
     }
     // Record some overlapping patterns, to get a better picture, since this is
     // not very expensive.
     if (i % 3 == 0)
       six_packet_histogram->Add(recent_6_mask);
   }
 }
 
 }  // namespace net