chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/tainting-fedropshadow-003.html

<!DOCTYPE html>
<title>feDropShadow: propagates tainting from tainted input primitive</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#tainted-filter-primitives">
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#fedisplacemnentmap-restrictions">
<link rel="match" href="reference/green-100x100.html">
<svg>
  <filter id="dropshdw_taintedinput" color-interpolation-filters="sRGB"
          filterUnits="userSpaceOnUse">
    <feFlood x="0" y="0" width="100" height="100" flood-color="currentcolor"
             style="color: black"/>
    <feDropShadow width="100%" flood-color="rgb(0%, 100%, 50%)" stdDeviation="0"
                  dx="100" dy="0"/>
    <feOffset dx="-100"/>
    <feDisplacementMap in="SourceGraphic"
                       xChannelSelector="G" yChannelSelector="B"
                       scale="100" x="0" y="0" width="100" height="100"/>
  </filter>
  <rect width="100" height="100" fill="red"/>
  <rect width="100" height="100" fill="green"
        filter="url(#dropshdw_taintedinput)"/>
</svg>