css gradients?

    // Paint the color first underneath all images.    if (!bgLayer->next()) {        IntRect rect(_tx, clipy, w, cliph);        // If we have an alpha and we are painting the root element, go ahead and blend with the base background color.        if (isRoot() && (!bgColor.isValid() || bgColor.alpha() < 0xFF) && !isTransparent) {            Color baseColor = view()->frameView()->baseBackgroundColor();            if (baseColor.alpha() > 0) {                  p->save();                p->setCompositeOperation(CompositeCopy);                p->fillRect(rect, baseColor);                p->restore();            } else                p->clearRect(rect);        }            if (bgColor.isValid() && bgColor.alpha() > 0)            p->fillRect(rect, bgColor);    }     // Paint the gradient/pattern underneath all images    if (!isRoot()) {        IntRect rect(_tx, clipy, w, cliph);            CGColorSpaceRef cspace = CGColorSpaceCreateDeviceRGB();            struct CGFunctionCallbacks topCallbacks = { 0, TopGradientInterpolate, NULL };        CGFunctionRef topFunction = CGFunctionCreate(NULL, 1, NULL, 4, NULL, &topCallbacks);        CGShadingRef shading = CGShadingCreateAxial(cspace, CGPointMake(0, 0),                                                   CGPointMake(0, 750), topFunction, false, false);        p->save();        p->clip(IntRect(_tx, clipy, w, cliph));        CGContextDrawShading(p->platformContext(), shading);        p->restore();    }