Example on Web crashes when trying to play audio

[sgehrman]

Package version
latest

Environment
Chrome Linux

Describe the bug

Example crashes on web when you click Play

  void downloadWebData(String path) {
    // Simple download code for web testing
    final anchor = html.document.createElement('a') as html.AnchorElement
      ..href = path
      ..style.display = 'none'
      ..download = 'audio.wav';
    html.document.body!.children.add(anchor);
    anchor.click();
    html.document.body!.children.remove(anchor);
    html.Url.revokeObjectUrl(path);     <<<=========  works if this is commented out
  }

To Reproduce

Just run the example on web, record then play

Steps to reproduce the behavior:
do the thing

Expected behavior

should not crash

Additional context

Add any other context about the problem here.

problem is here:
html.Url.revokeObjectUrl(path);