Support for client certs in ssl_server_socket.

net/socket/ssl_client_socket_openssl.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_OPENSSL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_
 
 #include <openssl/base.h>
 #include <openssl/ssl.h>
 #include <stdint.h>
@@ skipping 81 matching lines @@
   // Socket implementation.
   int Read(IOBuffer* buf,
            int buf_len,
            const CompletionCallback& callback) override;
   int Write(IOBuffer* buf,
             int buf_len,
             const CompletionCallback& callback) override;
   int SetReceiveBufferSize(int32 size) override;
   int SetSendBufferSize(int32 size) override;
 
+ protected:
+  // SSLClientSocket implementation.
+  void ForceClientCertificateAndKeyForTest(
+      scoped_refptr<X509Certificate> client_cert,
+      scoped_ptr<SSLPrivateKey> client_private_key) override;
+
  private:
   class PeerCertificateChain;
   class SSLContext;
   friend class SSLClientSocket;
   friend class SSLContext;
 
   int Init();
   void DoReadCallback(int result);
   void DoWriteCallback(int result);
 
@@ skipping 225 matching lines @@
   // pinning failure. It is a (somewhat) human-readable string.
   std::string pinning_failure_log_;
 
   BoundNetLog net_log_;
   base::WeakPtrFactory<SSLClientSocketOpenSSL> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_OPENSSL_H_