bluetooth: BluetoothAdapterDeleter used to control BluetoothAdapter destruction.

device/bluetooth/bluetooth_adapter_mac.h

 // Copyright 2013 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_ADAPTER_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
 
 #include <IOKit/IOReturn.h>
 
 #include <string>
@@ skipping 64 matching lines @@
 
   // Registers that a new |device| has connected to the local host.
   void DeviceConnected(IOBluetoothDevice* device);
 
  protected:
   // BluetoothAdapter:
   void RemovePairingDelegateInternal(
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
  private:
+  friend class base::DeleteHelper<BluetoothAdapterMac>;
   friend class BluetoothAdapterMacTest;
 
   BluetoothAdapterMac();
   ~BluetoothAdapterMac() override;
 
   // BluetoothAdapter:
+  void DeleteOnCorrectThread() const override;
   void AddDiscoverySession(const base::Closure& callback,
                            const ErrorCallback& error_callback) override;
   void RemoveDiscoverySession(const base::Closure& callback,
                               const ErrorCallback& error_callback) override;
 
   void Init();
   void InitForTest(scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
   void PollAdapter();
 
   // Registers that a new |device| has replied to an Inquiry, is paired, or has
@@ skipping 20 matching lines @@
   ObserverList<BluetoothAdapter::Observer> observers_;
 
   base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_