Update from https://crrev.com/308996

net/quic/quic_sent_packet_manager.h

 // Copyright 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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 38 matching lines @@
 
     // Called when a spurious retransmission is detected.
     virtual void OnSpuriousPacketRetransmition(
         TransmissionType transmission_type,
         QuicByteCount byte_size) {}
 
     virtual void OnIncomingAck(
         const QuicAckFrame& ack_frame,
         QuicTime ack_receive_time,
         QuicPacketSequenceNumber largest_observed,
-        bool largest_observed_acked,
+        bool rtt_updated,
         QuicPacketSequenceNumber least_unacked_sent_packet) {}
   };
 
   // Interface which gets callbacks from the QuicSentPacketManager when
   // network-related state changes. Implementations must not mutate the
   // state of the packet manager as a result of these callbacks.
   class NET_EXPORT_PRIVATE NetworkChangeVisitor {
    public:
     virtual ~NetworkChangeVisitor() {}
 
@@ skipping 335 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_