void
ClientTiledThebesLayer::FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
{
  aAttrs = ThebesLayerAttributes(GetValidRegion());
}
void
ClientTiledPaintedLayer::FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
{
  aAttrs = PaintedLayerAttributes(GetValidRegion());
}