Bluetooth class changes for implementing local GATT attributes.

device/bluetooth/bluetooth_local_gatt_descriptor.h

Index: device/bluetooth/bluetooth_local_gatt_descriptor.h
diff --git a/device/bluetooth/bluetooth_local_gatt_descriptor.h b/device/bluetooth/bluetooth_local_gatt_descriptor.h
index 1fdac39d3ad2f86375329b9b89a8bf095a41c266..9f37372707c0b1c60e24c56d796195acb52bb804 100644
--- a/device/bluetooth/bluetooth_local_gatt_descriptor.h
+++ b/device/bluetooth/bluetooth_local_gatt_descriptor.h
@@ -46,9 +46,8 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothLocalGattDescriptor
   // |kCharacteristicPresentationFormat| are supported for locally hosted
   // descriptors. This method will return NULL if |uuid| is any one of the
   // unsupported predefined descriptor UUIDs.
-  static BluetoothLocalGattDescriptor* Create(
+  static base::WeakPtr<BluetoothLocalGattDescriptor> Create(
       const BluetoothUUID& uuid,
-      const std::vector<uint8_t>& value,
       BluetoothGattCharacteristic::Permissions permissions,
       BluetoothLocalGattCharacteristic* characteristic);