net: remove UsingTCPFastOpen() method from StreamSocket class

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 748 matching lines @@
     transport_->socket()->SetOmniboxSpeculation();
   } else {
     NOTREACHED();
   }
 }
 
 bool SSLClientSocketOpenSSL::WasEverUsed() const {
   return was_ever_used_;
 }
 
-bool SSLClientSocketOpenSSL::UsingTCPFastOpen() const {
-  if (transport_.get() && transport_->socket())
-    return transport_->socket()->UsingTCPFastOpen();
-
-  NOTREACHED();
-  return false;
-}
-
 bool SSLClientSocketOpenSSL::GetSSLInfo(SSLInfo* ssl_info) {
   ssl_info->Reset();
   if (server_cert_chain_->empty())
     return false;
 
   ssl_info->cert = server_cert_verify_result_.verified_cert;
   ssl_info->unverified_cert = server_cert_;
   ssl_info->cert_status = server_cert_verify_result_.cert_status;
   ssl_info->is_issued_by_known_root =
       server_cert_verify_result_.is_issued_by_known_root;
@@ skipping 1523 matching lines @@
       tb_was_negotiated_ = true;
       return 1;
     }
   }
 
   *out_alert_value = SSL_AD_ILLEGAL_PARAMETER;
   return 0;
 }
 
 }  // namespace net