This shows that the runtime uses COM aggregation to provide the
IGameController and IGameControllerBatteryInfo implementation, while
expecting the custom controller to implement several other interfaces
depending on the type of provider used as a backend.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>