// Finds a RenderListItem parent give a node.
static RenderListItem* renderListItemContainerForNode(Node* node)
{
    for (; node; node = node->parentNode()) {
        RenderBoxModelObject* renderer = node->renderBoxModelObject();
        if (renderer && renderer->isListItem())
            return toRenderListItem(renderer);
    }
    return 0;
}