Re: [webmessaging-tests] Update webmessaging tests to match current HTML spec. (#4263)

`postMessage` is supposed to work on cross-origin windows, right? Can we rewrite the test in a better way instead? Perhaps the child frame can `postMessage` its results back to the parent.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4263#issuecomment-263839346

Received on Wednesday, 30 November 2016 10:34:12 UTC