Remove the using_pacing argument from QuicSentPacketManager::SetFromConfig because it's always true.

net/quic/quic_sent_packet_manager.cc

 // Copyright 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/quic_sent_packet_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 155 matching lines @@
   }
   if (config.HasReceivedSocketReceiveBuffer()) {
     receive_buffer_bytes_ =
         max(kMinSocketReceiveBuffer,
             static_cast<QuicByteCount>(config.ReceivedSocketReceiveBuffer()));
     if (FLAGS_quic_limit_max_cwnd_to_receive_buffer) {
       send_algorithm_->SetMaxCongestionWindow(receive_buffer_bytes_ *
                                               kUsableRecieveBufferFraction);
     }
   }
-  send_algorithm_->SetFromConfig(config, perspective_, using_pacing_);
+  send_algorithm_->SetFromConfig(config, perspective_);
 
   if (network_change_visitor_ != nullptr) {
     network_change_visitor_->OnCongestionWindowChange();
   }
 }
 
 bool QuicSentPacketManager::ResumeConnectionState(
     const CachedNetworkParameters& cached_network_params,
     bool max_bandwidth_resumption) {
   if (cached_network_params.has_min_rtt_ms()) {
@@ skipping 780 matching lines @@
   // Set up a pacing sender with a 1 millisecond alarm granularity, the same as
   // the default granularity of the Linux kernel's FQ qdisc.
   using_pacing_ = true;
   send_algorithm_.reset(
       new PacingSender(send_algorithm_.release(),
                        QuicTime::Delta::FromMilliseconds(1),
                        kInitialUnpacedBurst));
 }
 
 }  // namespace net