static inline FloatRect calculateFragmentBoundaries(LineLayoutSVGInlineText textLineLayout, const SVGTextFragment& fragment)
{
    float scalingFactor = textLineLayout.scalingFactor();
    ASSERT(scalingFactor);
    float baseline = textLineLayout.scaledFont().fontMetrics().floatAscent() / scalingFactor;
    return fragment.boundingBox(baseline);
}