Remove GetTLSUniqueChannelBinding.

net/socket/ssl_client_socket_nss.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.
 
 // This file includes code SSLClientSocketNSS::DoVerifyCertComplete() derived
 // from AuthCertificateCallback() in
 // mozilla/security/manager/ssl/src/nsNSSCallbacks.cpp.
 
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 2467 matching lines @@
       nss_fd_, label.data(), label.size(), has_context,
       reinterpret_cast<const unsigned char*>(context.data()),
       context.length(), out, outlen);
   if (result != SECSuccess) {
     LogFailedNSSFunction(net_log_, "SSL_ExportKeyingMaterial", "");
     return MapNSSError(PORT_GetError());
   }
   return OK;
 }
 
-int SSLClientSocketNSS::GetTLSUniqueChannelBinding(std::string* out) {
-  if (!IsConnected())
-    return ERR_SOCKET_NOT_CONNECTED;
-  unsigned char buf[64];
-  unsigned int len;
-  SECStatus result = SSL_GetChannelBinding(nss_fd_,
-                                           SSL_CHANNEL_BINDING_TLS_UNIQUE,
-                                           buf, &len, arraysize(buf));
-  if (result != SECSuccess) {
-    LogFailedNSSFunction(net_log_, "SSL_GetChannelBinding", "");
-    return MapNSSError(PORT_GetError());
-  }
-  out->assign(reinterpret_cast<char*>(buf), len);
-  return OK;
-}
-
 SSLClientSocket::NextProtoStatus SSLClientSocketNSS::GetNextProto(
     std::string* proto) const {
   *proto = core_->state().next_proto;
   return core_->state().next_proto_status;
 }
 
 int SSLClientSocketNSS::Connect(const CompletionCallback& callback) {
   EnterFunction("");
   DCHECK(transport_.get());
   // It is an error to create an SSLClientSocket whose context has no
@@ skipping 697 matching lines @@
   return core_->GetChannelIDKey();
 }
 
 SSLFailureState SSLClientSocketNSS::GetSSLFailureState() const {
   if (completed_handshake_)
     return SSL_FAILURE_NONE;
   return SSL_FAILURE_UNKNOWN;
 }
 
 }  // namespace net