Revert "Added synchronous socket implementation to dart:io."

runtime/bin/sync_socket_win.cc

-// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#if !defined(DART_IO_DISABLED)
-
-#include "platform/globals.h"
-#if defined(HOST_OS_WINDOWS)
-
-#include "bin/sync_socket.h"
-
-#include "bin/builtin.h"
-#include "bin/log.h"
-#include "bin/utils.h"
-#include "bin/utils_win.h"
-
-namespace dart {
-namespace bin {
-
-SynchronousSocket::SynchronousSocket(intptr_t fd)
-    : ReferenceCounted(), fd_(fd), port_(ILLEGAL_PORT) {
-  LOG_ERR("SynchronousSocket is unimplemented\n");
-  UNIMPLEMENTED();
-}
-
-
-void SynchronousSocket::SetClosedFd() {
-  LOG_ERR("SynchronousSocket::SetClosedFd is unimplemented\n");
-  UNIMPLEMENTED();
-}
-
-
-intptr_t SynchronousSocket::CreateConnect(const RawAddr& addr) {
-  LOG_ERR("SynchronousSocket::CreateConnect is unimplemented\n");
-  UNIMPLEMENTED();
-  return -1;
-}
-
-
-intptr_t SynchronousSocket::CreateBindConnect(const RawAddr& addr,
-                                              const RawAddr& source_addr) {
-  LOG_ERR("SynchronousSocket::CreateBindConnect is unimplemented\n");
-  UNIMPLEMENTED();
-  return -1;
-}
-
-}  // namespace bin
-}  // namespace dart
-
-#endif  // defined(HOST_OS_WINDOWS)
-
-#endif  // !defined(DART_IO_DISABLED)