Remove unused member variables. No functional change.

net/quic/congestion_control/tcp_cubic_sender.cc

 // Copyright (c) 2012 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/tcp_cubic_sender.h"
 
 #include <algorithm>
 
 #include "base/metrics/histogram_macros.h"
 #include "net/quic/congestion_control/prr_sender.h"
@@ skipping 30 matching lines @@
       num_connections_(kDefaultNumConnections),
       congestion_window_count_(0),
       largest_sent_packet_number_(0),
       largest_acked_packet_number_(0),
       largest_sent_at_last_cutback_(0),
       congestion_window_(initial_tcp_congestion_window),
       min_congestion_window_(kDefaultMinimumCongestionWindow),
       min4_mode_(false),
       slowstart_threshold_(max_tcp_congestion_window),
       last_cutback_exited_slowstart_(false),
-      max_tcp_congestion_window_(max_tcp_congestion_window),
-      clock_(clock) {}
+      max_tcp_congestion_window_(max_tcp_congestion_window) {}
 
 TcpCubicSender::~TcpCubicSender() {
   UMA_HISTOGRAM_COUNTS("Net.QuicSession.FinalTcpCwnd", congestion_window_);
 }
 
 void TcpCubicSender::SetFromConfig(const QuicConfig& config,
                                    Perspective perspective) {
   if (perspective == Perspective::IS_SERVER) {
     if (config.HasReceivedConnectionOptions() &&
         ContainsQuicTag(config.ReceivedConnectionOptions(), kIW03)) {
@@ skipping 299 matching lines @@
   hybrid_slow_start_.Restart();
   slowstart_threshold_ = congestion_window_ / 2;
   congestion_window_ = min_congestion_window_;
 }
 
 CongestionControlType TcpCubicSender::GetCongestionControlType() const {
   return reno_ ? kReno : kCubic;
 }
 
 }  // namespace net