Fix Bluetooth Classic device polling issue.

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 <vector>
 
@@ skipping 161 matching lines @@
   bool DiscoverServices(ScopedVector<DeviceState>* device_list,
                         bool search_cached_services_only);
 
   // Discover Bluetooth Classic services for the given |device_address|.
   bool DiscoverClassicDeviceServices(
       const std::string& device_address,
       const GUID& protocol_uuid,
       bool search_cached_services_only,
       ScopedVector<ServiceRecordState>* service_record_states);
 
+  // Discover Bluetooth Classic services for the given |device_address|.
+  // Returns a Win32 error code.
+  int DiscoverClassicDeviceServicesWorker(
+      const std::string& device_address,
+      const GUID& protocol_uuid,
+      bool search_cached_services_only,
+      ScopedVector<ServiceRecordState>* service_record_states);
+
   // Discover Bluetooth Low Energy services for the given |device_path|.
   bool DiscoverLowEnergyDeviceServices(
       const base::FilePath& device_path,
       ScopedVector<ServiceRecordState>* service_record_states);
 
   // UI task runner reference.
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   scoped_refptr<base::SequencedWorkerPool> worker_pool_;
   scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner_;
@@ skipping 10 matching lines @@
   // Use for discarding too many log messages.
   base::TimeTicks current_logging_batch_ticks_;
   int current_logging_batch_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothTaskManagerWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_