Add a new GetTlsUniqueChannelBinding method to SSLSocket, and implement nss version.

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>
@@ skipping 536 matching lines @@
 }
 
 int SSLClientSocketWin::ExportKeyingMaterial(const base::StringPiece& label,
                                              bool has_context,
                                              const base::StringPiece& context,
                                              unsigned char* out,
                                              unsigned int outlen) {
   return ERR_NOT_IMPLEMENTED;
 }
 
+int SSLClientSocketOpenSSL::GetTlsUniqueChannelBinding(
+    unsigned char* out,
+    unsigned int *outlen,
+    unsigned int outlen_max) {
+  return ERR_NOT_IMPLEMENTED;
+}
+
 SSLClientSocket::NextProtoStatus
 SSLClientSocketWin::GetNextProto(std::string* proto,
                                  std::string* server_protos) {
   proto->clear();
   server_protos->clear();
   return kNextProtoUnsupported;
 }
 
 ServerBoundCertService* SSLClientSocketWin::GetServerBoundCertService() const {
   return NULL;
@@ skipping 1039 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