void AcceleratedCompositingContext::paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext& context, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& rectToPaint)
{
    context.save();
    context.clip(rectToPaint);
    core(m_webView)->mainFrame()->view()->paint(&context, rectToPaint);
    context.restore();
}
void PageOverlayController::paintContents(const WebCore::GraphicsLayer* graphicsLayer, WebCore::GraphicsContext& graphicsContext, WebCore::GraphicsLayerPaintingPhase, const WebCore::FloatRect& clipRect)
{
    for (auto& overlayAndGraphicsLayer : m_overlayGraphicsLayers) {
        if (overlayAndGraphicsLayer.value.get() != graphicsLayer)
            continue;

        GraphicsContextStateSaver stateSaver(graphicsContext);
        graphicsContext.clip(clipRect);
        overlayAndGraphicsLayer.key->drawRect(graphicsContext, enclosingIntRect(clipRect));

        return;
    }
}