third_party/WebKit/LayoutTests/svg/filters/feDropShadow-flood-opacity-2.svg

<svg xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="ds1" filterPrimitiveUnits="userSpaceOnUse" filterUnits="userSpaceOnUse"
            width="100" height="100" x="0" y="0" color-interpolation-filters="sRGB">
      <feDropShadow flood-color="rgb(255,0,0)" flood-opacity="0.2"
                    dx="0" dy="50" stdDeviation="0"/>
    </filter>
  </defs>
  <rect y="50" width="100" height="50" fill="#00ff00"/>
  <rect width="100" height="50" fill="#33cc00" filter="url(#ds1)"/>
</svg>