Fix object-lifetime issues in async GetProof callpaths

net/quic/core/crypto/crypto_handshake.h

 // 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.
 
 #ifndef NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_H_
 #define NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 81 matching lines @@
 
 // A CrypterPair contains the encrypter and decrypter for an encryption level.
 struct NET_EXPORT_PRIVATE CrypterPair {
   CrypterPair();
   ~CrypterPair();
   std::unique_ptr<QuicEncrypter> encrypter;
   std::unique_ptr<QuicDecrypter> decrypter;
 };
 
 // Parameters negotiated by the crypto handshake.
-struct NET_EXPORT_PRIVATE QuicCryptoNegotiatedParameters {
+struct NET_EXPORT_PRIVATE QuicCryptoNegotiatedParameters
+    : public base::RefCounted<QuicCryptoNegotiatedParameters> {
   // Initializes the members to 0 or empty values.
   QuicCryptoNegotiatedParameters();
-  ~QuicCryptoNegotiatedParameters();
 
   QuicTag key_exchange;
   QuicTag aead;
   std::string initial_premaster_secret;
   std::string forward_secure_premaster_secret;
   // initial_subkey_secret is used as the PRK input to the HKDF used when
   // performing key extraction that needs to happen before forward-secure keys
   // are available.
   std::string initial_subkey_secret;
   // subkey_secret is used as the PRK input to the HKDF used for key extraction.
@@ skipping 26 matching lines @@
   bool x509_ecdsa_supported;
   bool x509_supported;
 
   // Used to generate cert chain when sending server config updates.
   std::string client_common_set_hashes;
   std::string client_cached_cert_hashes;
 
   // Default to false; set to true if the client indicates that it supports sct
   // by sending CSCT tag with an empty value in client hello.
   bool sct_supported_by_client;
+
+ private:
+  friend class base::RefCounted<QuicCryptoNegotiatedParameters>;
+  virtual ~QuicCryptoNegotiatedParameters();
 };
 
 // QuicCryptoConfig contains common configuration between clients and servers.
 class NET_EXPORT_PRIVATE QuicCryptoConfig {
  public:
   // kInitialLabel is a constant that is used when deriving the initial
   // (non-forward secure) keys for the connection in order to tie the resulting
   // key to this protocol.
   static const char kInitialLabel[];
 
@@ skipping 21 matching lines @@
 
   const CommonCertSets* common_cert_sets;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoConfig);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_H_