chromium/third_party/blink/web_tests/external/wpt/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-ref.html

<!DOCTYPE html>
<title>Reference for WebVTT rendering, cue position after navigation</title>
<style>iframe {width:100%; height:500px}</style>
<iframe src="navigate_cue_position-ref-1.html"></iframe>