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chromium
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chromium/third_party/blink/web_tests/fast/backgrounds/tiny-tile-zoomed-expected.html 

<!DOCTYPE html>
<style>

div {
  width: 100px;
  height: 100px;
  background-color: green;
}

</style>

<div></div>

<script>
  if (window.testRunner)
    testRunner.zoomPageOut();
</script>