There are a number of places in our testing code that either creates a syncXHR or uses a modal dialog to spin the event loop. We should create a helper API on special powers and convert the callers. patches incoming.

Comment on attachment 8725545 [details] [diff] [review] convert_test_media Review of attachment 8725545 [details] [diff] [review]: ----------------------------------------------------------------- ::: dom/media/tests/mochitest/test_getUserMedia_spinEventLoop.html @@ +15,5 @@ > return new Promise((resolve, reject) => { > navigator.mozGetUserMedia({ audio: true }, () => { > + SpecialPowers.spinEventLoop(window); > + ok(true, "Didn't crash"); > + resolve(); Nit: It looks like the existing code had some tabs in it. Please nuke them with prejudice.

Comment on attachment 8725546 [details] [diff] [review] convert_test_webspeech Review of attachment 8725546 [details] [diff] [review]: ----------------------------------------------------------------- Thanks!

https://hg.mozilla.org/integration/mozilla-inbound/rev/a9a28f53a959 https://hg.mozilla.org/integration/mozilla-inbound/rev/398a0e720ccf https://hg.mozilla.org/integration/mozilla-inbound/rev/603aec801c48 https://hg.mozilla.org/integration/mozilla-inbound/rev/0148a8583cbc

https://hg.mozilla.org/mozilla-central/rev/a9a28f53a959 https://hg.mozilla.org/mozilla-central/rev/398a0e720ccf https://hg.mozilla.org/mozilla-central/rev/603aec801c48 https://hg.mozilla.org/mozilla-central/rev/0148a8583cbc