Implemented Asynchronous Initialization of BluetoothAdapter.

device/bluetooth/bluetooth_task_manager_win.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 DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 47 matching lines @@
 
   void PostSetPoweredBluetoothTask(
       bool powered,
       const base::Closure& callback,
       const BluetoothAdapter::ErrorCallback& error_callback);
 
  private:
   friend class base::RefCountedThreadSafe<BluetoothTaskManagerWin>;
   friend class BluetoothTaskManagerWinTest;
 
-  // Returns true if the machine has a bluetooth stack available. The first call
-  // to this function will involve file IO, so it should be done on an
-  // appropriate thread. This function is not threadsafe.
-  static bool HasBluetoothStack();
-
   static const int kPollIntervalMs;
 
   // Constructor to pass |ui_task_runner_| and |bluetooth_task_runner_| for
   // testing.
   BluetoothTaskManagerWin(
       scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
       scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner);
 
   virtual ~BluetoothTaskManagerWin();
 
@@ skipping 19 matching lines @@
 
   // Adapter handle owned by bluetooth task runner.
   base::win::ScopedHandle adapter_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothTaskManagerWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_