net: remove UsingTCPFastOpen() method from StreamSocket class

net/spdy/spdy_proxy_client_socket.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/spdy/spdy_proxy_client_socket.h"
 
 #include <algorithm>  // min
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 152 matching lines @@
 }
 
 void SpdyProxyClientSocket::SetOmniboxSpeculation() {
   // TODO(rch): what should this implementation be?
 }
 
 bool SpdyProxyClientSocket::WasEverUsed() const {
   return was_ever_used_ || (spdy_stream_.get() && spdy_stream_->WasEverUsed());
 }
 
-bool SpdyProxyClientSocket::UsingTCPFastOpen() const {
-  return false;
-}
-
 bool SpdyProxyClientSocket::WasNpnNegotiated() const {
   return false;
 }
 
 NextProto SpdyProxyClientSocket::GetNegotiatedProtocol() const {
   return kProtoUnknown;
 }
 
 bool SpdyProxyClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
   bool was_npn_negotiated;
@@ skipping 343 matching lines @@
   } else if (!read_callback_.is_null()) {
     // If we have a read_callback_, the we need to make sure we call it back.
     OnDataReceived(scoped_ptr<SpdyBuffer>());
   }
   // This may have been deleted by read_callback_, so check first.
   if (weak_ptr.get() && !write_callback.is_null())
     write_callback.Run(ERR_CONNECTION_CLOSED);
 }
 
 }  // namespace net