device: Cleanup class/struct forward declarations

device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h

 // Copyright 2016 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_BLUEZ_BLUETOOTH_LOCAL_GATT_SERVICE_BLUEZ_H_
 #define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_LOCAL_GATT_SERVICE_BLUEZ_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "device/bluetooth/bluetooth_local_gatt_service.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "device/bluetooth/bluez/bluetooth_gatt_service_bluez.h"
 #include "device/bluetooth/bluez/bluetooth_local_gatt_characteristic_bluez.h"
 
-namespace device {
-
-class BluetoothAdapter;
-class BluetoothDevice;
-
-}  // namespace device
-
 namespace bluez {
 
 class BluetoothAdapterBlueZ;
 class BluetoothLocalGattCharacteristicBlueZ;
 
 // The BluetoothLocalGattServiceBlueZ class implements BluetootGattService
 // for local GATT services for platforms that use BlueZ.
 class BluetoothLocalGattServiceBlueZ
     : public BluetoothGattServiceBlueZ,
       public device::BluetoothLocalGattService {
@@ skipping 60 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothLocalGattServiceBlueZ> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLocalGattServiceBlueZ);
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_LOCAL_GATT_SERVICE_BLUEZ_H_