net: remove UsingTCPFastOpen() method from StreamSocket class

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 2602 matching lines @@
     NOTREACHED();
   }
 }
 
 bool SSLClientSocketNSS::WasEverUsed() const {
   DCHECK(core_.get());
 
   return core_->WasEverUsed();
 }
 
-bool SSLClientSocketNSS::UsingTCPFastOpen() const {
-  if (transport_.get() && transport_->socket()) {
-    return transport_->socket()->UsingTCPFastOpen();
-  }
-  NOTREACHED();
-  return false;
-}
-
 int SSLClientSocketNSS::Read(IOBuffer* buf, int buf_len,
                              const CompletionCallback& callback) {
   DCHECK(core_.get());
   DCHECK(!callback.is_null());
 
   EnterFunction(buf_len);
   int rv = core_->Read(buf, buf_len, callback);
   LeaveFunction(rv);
 
   return rv;
@@ skipping 554 matching lines @@
   return core_->GetChannelIDKey();
 }
 
 SSLFailureState SSLClientSocketNSS::GetSSLFailureState() const {
   if (completed_handshake_)
     return SSL_FAILURE_NONE;
   return SSL_FAILURE_UNKNOWN;
 }
 
 }  // namespace net