Bluetooth class changes for implementing local GATT attributes.

device/bluetooth/bluez/bluetooth_local_gatt_descriptor_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_DESCRIPTOR_BLUEZ_H_
 #define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_LOCAL_GATT_DESCRIPTOR_BLUEZ_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_local_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_local_gatt_descriptor.h"
+#include "device/bluetooth/bluetooth_uuid.h"
 #include "device/bluetooth/bluez/bluetooth_gatt_descriptor_bluez.h"
 
 namespace bluez {
 
+class BluetoothLocalGattCharacteristicBlueZ;
+
 // The BluetoothLocalGattDescriptorBlueZ class implements
 // BluetoothRemoteGattDescriptor for remote and local GATT characteristic
-// descriptors
-// for platforms that use BlueZ.
+// descriptors for platforms that use BlueZ.
 class BluetoothLocalGattDescriptorBlueZ
     : public BluetoothGattDescriptorBlueZ,
       public device::BluetoothLocalGattDescriptor {
  public:
+  static base::WeakPtr<BluetoothLocalGattDescriptor> Create(
+      const device::BluetoothUUID& uuid,
+      device::BluetoothGattCharacteristic::Permissions permissions,
+      device::BluetoothLocalGattCharacteristic* characteristic);
+
+  BluetoothLocalGattDescriptorBlueZ(
+      const device::BluetoothUUID& uuid,
+      BluetoothLocalGattCharacteristicBlueZ* characteristic);
+  ~BluetoothLocalGattDescriptorBlueZ() override;
+
+  // device::BluetoothLocalGattDescriptor overrides.
+  device::BluetoothUUID GetUUID() const override;
+  device::BluetoothGattCharacteristic::Permissions GetPermissions()
+      const override;
+
+  BluetoothLocalGattCharacteristicBlueZ* GetCharacteristic() const;
+
  private:
-  explicit BluetoothLocalGattDescriptorBlueZ(
-      const dbus::ObjectPath& object_path);
-  ~BluetoothLocalGattDescriptorBlueZ() override;
+  // Needs access to weak_ptr_factory_.
+  friend class device::BluetoothLocalGattDescriptor;
+  // UUID of this descriptor.
+  device::BluetoothUUID uuid_;
+
+  // Characteristic that contains this descriptor.
+  BluetoothLocalGattCharacteristicBlueZ* characteristic_;
 
   // 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<BluetoothLocalGattDescriptorBlueZ> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLocalGattDescriptorBlueZ);
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_LOCAL_GATT_DESCRIPTOR_BLUEZ_H_