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

net/quic/congestion_control/pacing_sender.cc

 // Copyright (c) 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.
 
 #include "net/quic/congestion_control/pacing_sender.h"
 
 using std::min;
 
 namespace net {
 
@@ skipping 61 matching lines @@
   }
   if (burst_tokens_ > 0) {
     --burst_tokens_;
     was_last_send_delayed_ = false;
     last_delayed_packet_sent_time_ = QuicTime::Zero();
     ideal_next_packet_send_time_ = QuicTime::Zero();
     return in_flight;
   }
   // 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_) {
     ideal_next_packet_send_time_ = ideal_next_packet_send_time_.Add(delay);
     // The send was application limited if it takes longer than the
     // pacing delay between sent packets.
     const bool application_limited =
         last_delayed_packet_sent_time_.IsInitialized() &&
         sent_time > last_delayed_packet_sent_time_.Add(delay);
     const bool making_up_for_lost_time =
@@ skipping 83 matching lines @@
 
 QuicByteCount PacingSender::GetSlowStartThreshold() const {
   return sender_->GetSlowStartThreshold();
 }
 
 CongestionControlType PacingSender::GetCongestionControlType() const {
   return sender_->GetCongestionControlType();
 }
 
 }  // namespace net