relnote: Deprecate flag quic_disable_pre_32

net/quic/core/crypto/quic_crypto_server_config.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/core/crypto/quic_crypto_server_config.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 523 matching lines @@
 
       memcpy(primary_orbit, primary_config_->orbit, sizeof(primary_orbit));
     }
 
     requested_config = GetConfigWithScid(requested_scid);
     primary_config = primary_config_;
     crypto_proof->config = primary_config_;
   }
 
   if (result->error_code == QUIC_NO_ERROR) {
-    if (version > QUIC_VERSION_30) {
-      // QUIC v31 and above require a new proof for each CHLO so clear the
-      // existing proof, if any.
-      crypto_proof->chain = nullptr;
-      crypto_proof->signature = "";
-      crypto_proof->cert_sct = "";
-    }
+    // QUIC requires a new proof for each CHLO so clear any existing proof.
+    crypto_proof->chain = nullptr;
+    crypto_proof->signature = "";
+    crypto_proof->cert_sct = "";
     EvaluateClientHello(server_ip, version, primary_orbit, requested_config,
                         primary_config, crypto_proof, result,
                         std::move(done_cb));
   } else {
     done_cb->Run(result, /* details = */ nullptr);
   }
 }
 
 class ProcessClientHelloHelper {
  public:
@@ skipping 1594 matching lines @@
       priority(0),
       source_address_token_boxer(nullptr) {}
 
 QuicCryptoServerConfig::Config::~Config() {
   base::STLDeleteElements(&key_exchanges);
 }
 
 QuicCryptoProof::QuicCryptoProof() {}
 QuicCryptoProof::~QuicCryptoProof() {}
 }  // namespace net