Move least_packet_awaited_by_peer_ from QuicReceivedPacketManager to

net/quic/quic_received_packet_manager.cc

Index: net/quic/quic_received_packet_manager.cc
diff --git a/net/quic/quic_received_packet_manager.cc b/net/quic/quic_received_packet_manager.cc
index a915e62e038b81eba2939a4170f5c3380cd4200a..2a9665a1012ba183abd99a33a946413f429277e8 100644
--- a/net/quic/quic_received_packet_manager.cc
+++ b/net/quic/quic_received_packet_manager.cc
@@ -129,9 +129,7 @@ AdvanceFirstGapAndGarbageCollectEntropyMap() {
 QuicReceivedPacketManager::QuicReceivedPacketManager(
     CongestionFeedbackType congestion_type,
     QuicConnectionStats* stats)
-    : peer_largest_observed_packet_(0),
-      least_packet_awaited_by_peer_(1),
-      peer_least_packet_awaiting_ack_(0),
+    : peer_least_packet_awaiting_ack_(0),
       time_largest_observed_(QuicTime::Zero()),
       receive_algorithm_(ReceiveAlgorithmInterface::Create(congestion_type)),
       stats_(stats) {
@@ -229,19 +227,6 @@ QuicPacketEntropyHash QuicReceivedPacketManager::EntropyHash(
   return entropy_tracker_.EntropyHash(sequence_number);
 }
 
-void QuicReceivedPacketManager::UpdatePacketInformationReceivedByPeer(
-    const QuicAckFrame& ack_frame) {
-  // ValidateAck should fail if largest_observed ever shrinks.
-  DCHECK_LE(peer_largest_observed_packet_, ack_frame.largest_observed);
-  peer_largest_observed_packet_ = ack_frame.largest_observed;
-
-  if (ack_frame.missing_packets.empty()) {
-    least_packet_awaited_by_peer_ = peer_largest_observed_packet_ + 1;
-  } else {
-    least_packet_awaited_by_peer_ = *(ack_frame.missing_packets.begin());
-  }
-}
-
 bool QuicReceivedPacketManager::DontWaitForPacketsBefore(
     QuicPacketSequenceNumber least_unacked) {
   ack_frame_.revived_packets.erase(