void RenderProgress::updatePartsState()
{
if (shouldHaveParts() && !m_valuePart) {
m_valuePart = ShadowBlockElement::createForPart(this->node(), PROGRESS_BAR_VALUE);
addChild(m_valuePart->renderer());
} else if (!shouldHaveParts() && m_valuePart) {
m_valuePart->detach();
m_valuePart = 0;
}
}
void RenderIndicator::requestLayoutForParts()
{
if (shouldHaveParts() || hasParts())
setNeedsLayout(true);
}