Add support for creating bluetooth RFCOMM sockets.

chrome/browser/chromeos/bluetooth/bluetooth_socket.h

+// Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_SOCKET_H_
+#define CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_SOCKET_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/weak_ptr.h"
+
+namespace chromeos {
+
+class BluetoothDevice;
+
+// The BluetoothSocket class represents a socket to a specific service on
+// a BluetoothDevice.

[keybuk, 2012/04/19 01:05:40]

Comment should explain about ref counting.

+class BluetoothSocket : public base::RefCounted<BluetoothSocket> {
+ public:
+  // The fd of this socket.
+  int fd() const { return fd_; }
+
+ private:
+  friend class base::RefCounted<BluetoothSocket>;
+  friend class BluetoothDevice;
+
+  BluetoothSocket(BluetoothDevice* device, const std::string& service_uuid,
+      int fd);
+  virtual ~BluetoothSocket();
+
+  BluetoothDevice* device_;
+  const std::string service_uuid_;
+  const int fd_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothSocket);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_SOCKET_H_