net: remove UsingTCPFastOpen() method from StreamSocket class

chrome/browser/devtools/device/usb/android_usb_socket.cc

 // Copyright 2014 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 "chrome/browser/devtools/device/usb/android_usb_socket.h"
 
 #include <stddef.h>
 
 #include "base/callback_helpers.h"
 #include "base/logging.h"
@@ skipping 200 matching lines @@
 
 void AndroidUsbSocket::SetOmniboxSpeculation() {
   NOTIMPLEMENTED();
 }
 
 bool AndroidUsbSocket::WasEverUsed() const {
   NOTIMPLEMENTED();
   return true;
 }
 
-bool AndroidUsbSocket::UsingTCPFastOpen() const {
-  NOTIMPLEMENTED();
-  return true;
-}
-
 bool AndroidUsbSocket::WasNpnNegotiated() const {
   NOTIMPLEMENTED();
   return true;
 }
 
 net::NextProto AndroidUsbSocket::GetNegotiatedProtocol() const {
   NOTIMPLEMENTED();
   return net::kProtoUnknown;
 }
 
@@ skipping 22 matching lines @@
     read_buffer_ = read_buffer_.substr(bytes_to_copy);
   else
     read_buffer_ = std::string();
   base::ResetAndReturn(&read_callback_).Run(bytes_to_copy);
 }
 
 void AndroidUsbSocket::RespondToWriter(int result) {
   if (!write_callback_.is_null())
     base::ResetAndReturn(&write_callback_).Run(result);
 }