Land Recent QUIC changes.

net/quic/congestion_control/inter_arrival_sender.cc

Index: net/quic/congestion_control/inter_arrival_sender.cc
diff --git a/net/quic/congestion_control/inter_arrival_sender.cc b/net/quic/congestion_control/inter_arrival_sender.cc
index 3afa3785298c592012fa86b201668b183e31b227..5640a731ae944be7eaa9d73f6d718847316a6b50 100644
--- a/net/quic/congestion_control/inter_arrival_sender.cc
+++ b/net/quic/congestion_control/inter_arrival_sender.cc
@@ -235,14 +235,17 @@ void InterArrivalSender::OnIncomingLoss(QuicTime ack_receive_time) {
   }
 }
 
-void InterArrivalSender::SentPacket(QuicTime sent_time,
-                                    QuicPacketSequenceNumber sequence_number,
-                                    QuicByteCount bytes,
-                                    Retransmission /*retransmit*/) {
+bool InterArrivalSender::SentPacket(
+    QuicTime sent_time,
+    QuicPacketSequenceNumber sequence_number,
+    QuicByteCount bytes,
+    Retransmission /*is_retransmit*/,
+    HasRetransmittableData /*has_retransmittable_data*/) {
   if (probing_) {
     probe_->OnSentPacket(bytes);
   }
   paced_sender_->SentPacket(sent_time, bytes);
+  return true;
 }
 
 void InterArrivalSender::AbandoningPacket(