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chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/effect-reference-after-001.html 

<!doctype html>
<title>SVG Filters: feColorMatrix filter</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty">
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#feColorMatrixElement">
<link rel="help" href="https://bugs.webkit.org/show_bug.cgi?id=90405">
<link rel="match" href="reference/effect-reference-after-001-ref.html">
<meta name="assert" content="Check that a reference filter with forward references work"/>
<body>
<img style="filter: url(#MyFilter);" src="support/color-palette.png">
<svg width="0px" height="0px">
  <defs>
    <filter id="MyFilter">
      <feColorMatrix type="hueRotate" values="180"/>
    </filter>
  </defs>
</svg>
</body>