- Remove the legacy debug protocol.

runtime/bin/dbg_connection_win.h

-// Copyright (c) 2012, 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.
-
-#ifndef BIN_DBG_CONNECTION_WIN_H_
-#define BIN_DBG_CONNECTION_WIN_H_
-
-#include "bin/lockers.h"
-#include "bin/thread.h"
-
-namespace dart {
-namespace bin {
-
-class DebuggerConnectionImpl {
- public:
-  static void StartHandler(int port_number);
-  static void StopHandler(intptr_t debug_fd);
-  static intptr_t Send(intptr_t socket, const char* buf, int len);
-  static intptr_t Receive(intptr_t socket, char* buf, int len);
-
- private:
-  static void ThreadEntry(uword args);
-  static void NotifyThreadStarted();
-  static void WaitForThreadStarted();
-  static void NotifyThreadFinished();
-  static void WaitForThreadFinished();
-
-  static Monitor* handler_monitor_;
-  static ThreadId handler_thread_id_;
-  static bool handler_thread_running_;
-};
-
-}  // namespace bin
-}  // namespace dart
-
-#endif  // BIN_DBG_CONNECTION_WIN_H_