Refactor client cert private key handling.

net/ssl/ssl_cert_request_info.h

 // Copyright (c) 2011 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_SSL_SSL_CERT_REQUEST_INFO_H_
 #define NET_SSL_SSL_CERT_REQUEST_INFO_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
+#include "net/ssl/client_cert_identity.h"
 #include "net/ssl/ssl_client_cert_type.h"
 
 namespace net {
 
 // The SSLCertRequestInfo class represents server criteria regarding client
 // certificate required for a secure connection.
 //
 // In TLS 1.1, the CertificateRequest
 // message is defined as:
 //   enum {
@@ skipping 30 matching lines @@
 
  private:
   friend class base::RefCountedThreadSafe<SSLCertRequestInfo>;
 
   ~SSLCertRequestInfo();
 };
 
 }  // namespace net
 
 #endif  // NET_SSL_SSL_CERT_REQUEST_INFO_H_