chromium/third_party/blink/web_tests/images/resources/color-profile-mask-image.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="400" height="400">
  <filter id="filter">
    <feGaussianBlur stdDeviation="10"></feGaussianBlur>
  </filter>
  <circle cx="50%" cy="50%" r="45%" fill="black" filter="url(#filter)"></circle>
</svg>