Remove SSLPrivateKey metadata hooks.

net/socket/ssl_client_socket_impl.h

 // Copyright (c) 2012 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_SOCKET_SSL_CLIENT_SOCKET_IMPL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 183 matching lines @@
   void AddCTInfoToSSLInfo(SSLInfo* ssl_info) const;
 
   // Returns a unique key string for the SSL session cache for
   // this socket.
   std::string GetSessionCacheKey() const;
 
   // Returns true if renegotiations are allowed.
   bool IsRenegotiationAllowed() const;
 
   // Callbacks for operations with the private key.
-  int PrivateKeyTypeCallback();
-  size_t PrivateKeyMaxSignatureLenCallback();
   ssl_private_key_result_t PrivateKeySignDigestCallback(uint8_t* out,
                                                         size_t* out_len,
                                                         size_t max_out,
                                                         const EVP_MD* md,
                                                         const uint8_t* in,
                                                         size_t in_len);
   ssl_private_key_result_t PrivateKeyCompleteCallback(uint8_t* out,
                                                       size_t* out_len,
                                                       size_t max_out);
 
@@ skipping 132 matching lines @@
   // True if PKP is bypassed due to a local trust anchor.
   bool pkp_bypassed_;
 
   NetLogWithSource net_log_;
   base::WeakPtrFactory<SSLClientSocketImpl> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_IMPL_H_