chromium/third_party/blink/perf_tests/bindings/worker-text-encoded-transferable-roundtrip.html

<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script src="resources/worker-text-encoded-transferable-perf-test.js"></script>
<script>
WorkerTextEncodedTransferablePerfTestRunner.measureTimeAsync({
  description: "Measures performance of worker round-trip with text-encoded data sent as a transferable.",
  data: PerfTestRunner.loadFile("resources/data/blink-dev.json"),
  measure: "roundtrip",
});
</script>
</body>