relnote: Call QUIC's underlying SendAlgorithm's PacingRate() directly

net/quic/congestion_control/pacing_sender.cc

Index: net/quic/congestion_control/pacing_sender.cc
diff --git a/net/quic/congestion_control/pacing_sender.cc b/net/quic/congestion_control/pacing_sender.cc
index 2c17a170c55c1e0730529cb20e6a40857ce40c70..9789da1b72b34171a26f2c6e7259a63da35b9c1a 100644
--- a/net/quic/congestion_control/pacing_sender.cc
+++ b/net/quic/congestion_control/pacing_sender.cc
@@ -79,7 +79,7 @@ bool PacingSender::OnPacketSent(
   }
   // The next packet should be sent as soon as the current packets has been
   // transferred.
-  QuicTime::Delta delay = PacingRate().TransferTime(bytes);
+  QuicTime::Delta delay = sender_->PacingRate().TransferTime(bytes);
   // If the last send was delayed, and the alarm took a long time to get
   // invoked, allow the connection to make up for lost time.
   if (was_last_send_delayed_) {