Make CertVerifier a pure virtual interface.

net/socket/ssl_client_socket_win.cc

 // 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.
 
 #include "net/socket/ssl_client_socket_win.h"
 
 #include <schnlsp.h>
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/synchronization/lock.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/cert_verifier.h"
 #include "net/base/connection_type_histograms.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_log.h"
 #include "net/base/net_errors.h"
+#include "net/base/single_request_cert_verifier.h"
 #include "net/base/ssl_cert_request_info.h"
 #include "net/base/ssl_connection_status_flags.h"
 #include "net/base/ssl_info.h"
 #include "net/base/x509_certificate_net_log_param.h"
 #include "net/socket/client_socket_handle.h"
 
 #pragma comment(lib, "secur32.lib")
 
 namespace net {
 
@@ skipping 1557 matching lines @@
     UpdateConnectionTypeHistograms(CONNECTION_SSL_MD2_CA);
 }
 
 void SSLClientSocketWin::FreeSendBuffer() {
   SECURITY_STATUS status = FreeContextBuffer(send_buffer_.pvBuffer);
   DCHECK(status == SEC_E_OK);
   memset(&send_buffer_, 0, sizeof(send_buffer_));
 }
 
 }  // namespace net