Remove GetTLSUniqueChannelBinding.

net/socket/ssl_client_socket_openssl.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.
 
 // OpenSSL binding for SSLClientSocket. The class layout and general principle
 // of operation is derived from SSLClientSocketNSS.
 
 #include "net/socket/ssl_client_socket_openssl.h"
 
 #include <errno.h>
@@ skipping 584 matching lines @@
   if (rv != 1) {
     int ssl_error = SSL_get_error(ssl_, rv);
     LOG(ERROR) << "Failed to export keying material;"
                << " returned " << rv
                << ", SSL error code " << ssl_error;
     return MapOpenSSLError(ssl_error, err_tracer);
   }
   return OK;
 }
 
-int SSLClientSocketOpenSSL::GetTLSUniqueChannelBinding(std::string* out) {
-  NOTIMPLEMENTED();
-  return ERR_NOT_IMPLEMENTED;
-}
-
 int SSLClientSocketOpenSSL::Connect(const CompletionCallback& callback) {
   // It is an error to create an SSLClientSocket whose context has no
   // TransportSecurityState.
   DCHECK(transport_security_state_);
 
   // Although StreamSocket does allow calling Connect() after Disconnect(),
   // this has never worked for layered sockets. CHECK to detect any consumers
   // reconnecting an SSL socket.
   //
   // TODO(davidben,mmenke): Remove this API feature. See
@@ skipping 1727 matching lines @@
       tb_was_negotiated_ = true;
       return 1;
     }
   }
 
   *out_alert_value = SSL_AD_ILLEGAL_PARAMETER;
   return 0;
 }
 
 }  // namespace net