gfe-relnote: In QUIC, add getter for largest received packet to QuicConnection. No functional change expected, not protected.

Also remove getter of received_packet_manager.

PiperOrigin-RevId: 239392053
Change-Id: I3a244583e64df565f7aac57644b5075eb6670821
diff --git a/quic/core/quic_trace_visitor.cc b/quic/core/quic_trace_visitor.cc
index 246a2e2..728bab4 100644
--- a/quic/core/quic_trace_visitor.cc
+++ b/quic/core/quic_trace_visitor.cc
@@ -230,8 +230,7 @@
     QuicPacketNumber /*least_unacked_sent_packet*/) {
   quic_trace::Event* event = trace_.add_events();
   event->set_time_us(ConvertTimestampToRecordedFormat(ack_receive_time));
-  event->set_packet_number(
-      connection_->received_packet_manager().GetLargestObserved().ToUint64());
+  event->set_packet_number(connection_->GetLargestReceivedPacket().ToUint64());
   event->set_event_type(quic_trace::PACKET_RECEIVED);
 
   // TODO(vasilvv): consider removing this copy.
@@ -255,8 +254,7 @@
   quic_trace::Event* event = trace_.add_events();
   event->set_time_us(ConvertTimestampToRecordedFormat(receive_time));
   event->set_event_type(quic_trace::PACKET_RECEIVED);
-  event->set_packet_number(
-      connection_->received_packet_manager().GetLargestObserved().ToUint64());
+  event->set_packet_number(connection_->GetLargestReceivedPacket().ToUint64());
 
   // TODO(vasilvv): consider removing this copy.
   QuicWindowUpdateFrame copy_of_update = frame;