Deprectate --quic_ignore_srbf

net/quic/congestion_control/tcp_cubic_sender_bytes_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_sender_bytes.h"
 
 #include <algorithm>
 #include <cstdint>
 #include <memory>
 
@@ skipping 856 matching lines @@
 
   // Resets cwnd and slow start threshold on connection migrations.
   sender_->OnConnectionMigration();
   EXPECT_EQ(kDefaultWindowTCP, sender_->GetCongestionWindow());
   EXPECT_EQ(kMaxCongestionWindowPackets * kDefaultTCPMSS,
             sender_->GetSlowStartThreshold());
   EXPECT_FALSE(sender_->hybrid_slow_start().started());
 }
 
 TEST_F(TcpCubicSenderBytesTest, DefaultMaxCwnd) {
-  ValueRestore<bool> old_flag(&FLAGS_quic_ignore_srbf, true);
   RttStats rtt_stats;
   QuicConnectionStats stats;
   std::unique_ptr<SendAlgorithmInterface> sender(SendAlgorithmInterface::Create(
       &clock_, &rtt_stats, kCubicBytes, &stats, kInitialCongestionWindow));
 
   SendAlgorithmInterface::CongestionVector acked_packets;
   SendAlgorithmInterface::CongestionVector missing_packets;
   for (uint64_t i = 1; i < kDefaultMaxCongestionWindowPackets; ++i) {
     acked_packets.clear();
     acked_packets.push_back(std::make_pair(i, 1350));
     sender->OnCongestionEvent(true, sender->GetCongestionWindow(),
                               acked_packets, missing_packets);
   }
   EXPECT_EQ(kDefaultMaxCongestionWindowPackets,
             sender->GetCongestionWindow() / kDefaultTCPMSS);
 }
 
 }  // namespace test
 }  // namespace net