chromium/third_party/blink/perf_tests/owp_storage/blob-perf-tiny.html

<!doctype html>
<title>Blob Perf (IPC)</title>
<script src="../resources/runner.js"></script>
<script src="resources/shared.js"></script>
<script>
let runnerParams = { size: 2, numBlobs: 20 };
let test = {
  description:
    'Benchmark for creating blobs using IPC transport then reading both synchronously and in parallel.',
  unit: 'ms',
  iterationCount: 50,
  tracingCategories: 'Blob',
  traceEventsToMeasure: [
    'BlobReader::ReadBytesItem', 'Registry::RegisterBlob'
  ],
  path: 'resources/blob-perf-runner.html',
  params: runnerParams
}
PerfTestRunner.measurePageLoadTimeAfterDoneMessage(test);
</script>