Deprecate FLAGS_reset_cubic_epoch_when_app_limited.

net/quic/congestion_control/tcp_cubic_bytes_sender_test.cc

 // Copyright (c) 2015 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_bytes_sender.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 384 matching lines @@
   EXPECT_NEAR(kRttMs, sender_->rtt_stats_.smoothed_rtt().ToMilliseconds(), 1);
   EXPECT_NEAR(expected_delay.ToMilliseconds(),
               sender_->RetransmissionDelay().ToMilliseconds(), 1);
   EXPECT_EQ(
       static_cast<int64>(sender_->GetCongestionWindow() * kNumMicrosPerSecond /
                          sender_->rtt_stats_.smoothed_rtt().ToMicroseconds()),
       sender_->BandwidthEstimate().ToBytesPerSecond());
 }
 
 TEST_F(TcpCubicBytesSenderTest, TcpCubicResetEpochOnQuiescence) {
-  ValueRestore<bool> old_flag(&FLAGS_reset_cubic_epoch_when_app_limited, true);
   const int kMaxCongestionWindow = 50;
   const QuicByteCount kMaxCongestionWindowBytes =
       kMaxCongestionWindow * kDefaultTCPMSS;
   int num_sent = SendAvailableSendWindow();
 
   // Make sure we fall out of slow start.
   QuicByteCount saved_cwnd = sender_->GetCongestionWindow();
   LoseNPackets(1);
   EXPECT_GT(saved_cwnd, sender_->GetCongestionWindow());
 
@@ skipping 223 matching lines @@
   EXPECT_TRUE(sender_->TimeUntilSend(QuicTime::Zero(), 2 * kDefaultTCPMSS,
                                      HAS_RETRANSMITTABLE_DATA).IsZero());
   EXPECT_TRUE(sender_->TimeUntilSend(QuicTime::Zero(), 3 * kDefaultTCPMSS,
                                      HAS_RETRANSMITTABLE_DATA).IsZero());
   EXPECT_FALSE(sender_->TimeUntilSend(QuicTime::Zero(), 4 * kDefaultTCPMSS,
                                       HAS_RETRANSMITTABLE_DATA).IsZero());
 }
 
 }  // namespace test
 }  // namespace net