SVG:
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200" viewBox="0 0 200 200">
<defs>
<pattern id="imagefill-b" width="100%" height="100%">
<use transform="scale(4.16667)" xlink:href="#imagefill-a"/>
</pattern>
<image id="imagefill-a" width="48" height="48" xlink:href="data:image/png;base64,..."/>
</defs>
<rect width="200" height="200" fill="url(#imagefill-b)" fill-rule="evenodd"/>
</svg>
What Chrome shows:
What the Projucer Shows:
This is v5.3.2 of the projucer.