// This function returns true if the given box requires overflow scrollbars (as
// opposed to the 'viewport' scrollbars managed by the RenderLayerCompositor).
// FIXME: we should use the same scrolling machinery for both the viewport and
// overflow. Currently, we need to avoid producing scrollbars here if they'll be
// handled externally in the RLC.
static bool canHaveOverflowScrollbars(const RenderBox& box)
{
return !box.isRenderView() && box.document().viewportDefiningElement() != box.node();
}
