void StyleBuilderFunctions::applyValueCSSPropertyWebkitClipPath(StyleResolverState& state, CSSValue* value)
{
    if (value->isPrimitiveValue()) {
        CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
        if (primitiveValue->getValueID() == CSSValueNone) {
            state.style()->setClipPath(nullptr);
        } else if (primitiveValue->isShape()) {
            state.style()->setClipPath(ShapeClipPathOperation::create(basicShapeForValue(state, primitiveValue->getShapeValue())));
        }
    }
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue& primitiveValue)
{
    // FIXME: consider other types.
    if (primitiveValue.isNumber() || primitiveValue.isPercentage() || primitiveValue.isAngle() || primitiveValue.isRGBColor() || primitiveValue.isURI())
        return false;

    if (primitiveValue.isLength())
        return primitiveValue.isFontRelativeLength() || primitiveValue.isViewportPercentageLength();

    if (primitiveValue.isCalculated()) {
        CSSLengthArray lengthArray(CSSPrimitiveValue::LengthUnitTypeCount);
        primitiveValue.accumulateLengthArray(lengthArray);
        return lengthArray[CSSPrimitiveValue::UnitTypeFontSize] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeFontXSize] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeRootFontSize] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeZeroCharacterWidth] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeViewportWidth] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeViewportHeight] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeViewportMin] != 0
            || lengthArray[CSSPrimitiveValue::UnitTypeViewportMax] != 0;
    }

    if (Pair* pair = primitiveValue.getPairValue()) {
        return interpolationRequiresStyleResolve(*pair->first())
            || interpolationRequiresStyleResolve(*pair->second());
    }

    if (Rect* rect = primitiveValue.getRectValue()) {
        return interpolationRequiresStyleResolve(*rect->top())
            || interpolationRequiresStyleResolve(*rect->right())
            || interpolationRequiresStyleResolve(*rect->bottom())
            || interpolationRequiresStyleResolve(*rect->left());
    }

    if (Quad* quad = primitiveValue.getQuadValue()) {
        return interpolationRequiresStyleResolve(*quad->top())
            || interpolationRequiresStyleResolve(*quad->right())
            || interpolationRequiresStyleResolve(*quad->bottom())
            || interpolationRequiresStyleResolve(*quad->left());
    }

    if (primitiveValue.isShape())
        return interpolationRequiresStyleResolve(*primitiveValue.getShapeValue());

    CSSValueID id = primitiveValue.getValueID();
    bool isColor = ((id >= CSSValueAqua && id <= CSSValueTransparent)
        || (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
        || id == CSSValueGrey);
    return (id != CSSValueNone) && !isColor;
}