void RenderLayerCompositor::setIsInWindow(bool isInWindow)
{
    if (!inCompositingMode())
        return;

    if (isInWindow) {
        if (m_rootLayerAttachment != RootLayerUnattached)
            return;

        RootLayerAttachment attachment = isMainFrame() ? RootLayerAttachedViaChromeClient : RootLayerAttachedViaEnclosingFrame;
        attachRootLayer(attachment);
    } else {
        if (m_rootLayerAttachment == RootLayerUnattached)
            return;

        detachRootLayer();
    }
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.