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chromium/third_party/blink/web_tests/compositing/gestures/gesture-tapHighlight-display-contents.html 

<!DOCTYPE html>
<script src="resources/link-highlight-helper.js"></script>
<link rel="stylesheet" href="resources/link-highlight-style.css">
<div id="highlightTarget" style="display: inline-block">
  <div class="opaqueHighlight" style="display: contents; cursor: pointer">Highlight</div>
</div>
<script>
onload = testHighlightTarget;
</script>