Deprecate FLAGS_quic_require_handshake_confirmation_pre33.

net/quic/core/crypto/crypto_server_test.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 <algorithm>
 #include <cstdint>
 #include <memory>
 #include <ostream>
 #include <vector>
 
@@ skipping 103 matching lines @@
         params_(new QuicCryptoNegotiatedParameters),
         signed_config_(new QuicSignedServerConfig),
         chlo_packet_size_(kDefaultMaxPacketSize) {
     supported_versions_ = GetParam().supported_versions;
     config_.set_enable_serving_sct(true);
 
     client_version_ = supported_versions_.front();
     client_version_string_ =
         QuicTagToString(QuicVersionToQuicTag(client_version_));
 
-    FLAGS_quic_require_handshake_confirmation_pre33 = false;
     FLAGS_enable_quic_stateless_reject_support =
         GetParam().enable_stateless_rejects;
     use_stateless_rejects_ = GetParam().use_stateless_rejects;
   }
 
   void SetUp() override {
     QuicCryptoServerConfig::ConfigOptions old_config_options;
     old_config_options.id = kOldConfigId;
     delete config_.AddDefaultConfig(rand_, &clock_, old_config_options);
     clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(1000));
@@ skipping 1012 matching lines @@
   // QuicCryptoServerConfig::EvaluateClientHello will leave info.unique as false
   // and cause ProcessClientHello to exit early (and generate a REJ message).
   config_.set_replay_protection(false);
 
   ShouldSucceed(msg);
   EXPECT_EQ(kSHLO, out_.tag());
 }
 
 }  // namespace test
 }  // namespace net