Re: [webvtt-tests] fix web-platform-test 'webvtt-api-for-browsers/vttcue-interface/vertical.html'. (#3244)

Code reviewed upstream.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/3244#issuecomment-229341277

Received on Wednesday, 29 June 2016 12:28:56 UTC