Reimplement BluetoothSocketChromeOS

device/bluetooth/bluetooth_socket_thread_win.h

-// 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.
-
-#ifndef DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_WIN_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_WIN_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-
-namespace base {
-class SequencedTaskRunner;
-class Thread;
-}  // namespace base
-
-namespace device {
-
-// Thread abstraction used by |BluetoothSocketWWin| to perform IO operations on
-// the underlying platform sockets. An instance of this class can be shared by
-// many active sockets.
-class BluetoothSocketThreadWin
-    : public base::RefCountedThreadSafe<BluetoothSocketThreadWin> {
- public:
-  static scoped_refptr<BluetoothSocketThreadWin> Get();
-  void OnSocketActivate();
-  void OnSocketDeactivate();
-
-  scoped_refptr<base::SequencedTaskRunner> task_runner() const;
-
- private:
-  friend class base::RefCountedThreadSafe<BluetoothSocketThreadWin>;
-  BluetoothSocketThreadWin();
-  virtual ~BluetoothSocketThreadWin();
-
-  void EnsureStarted();
-
-  base::ThreadChecker thread_checker_;
-  int active_socket_count_;
-  scoped_ptr<base::Thread> thread_;
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothSocketThreadWin);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_WIN_H_