- Remove the legacy debug protocol.

runtime/bin/dbg_connection_android.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_ANDROID_H_
-#define BIN_DBG_CONNECTION_ANDROID_H_
-
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/socket.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 SetupPollQueue();
-  static void HandleEvent(struct epoll_event* event);
-  static void Handler(uword args);
-
-  // File descriptors for pipes used to communicate with the debugger thread.
-  static int wakeup_fds_[2];
-
-  // File descriptor for the polling queue.
-  static intptr_t epoll_fd_;
-};
-
-}  // namespace bin
-}  // namespace dart
-
-#endif  // BIN_DBG_CONNECTION_ANDROID_H_