https://bugs.webkit.org/show_bug.cgi?id=120899.

Rubber stamped by Filip Pizlo.

* userscripts/insert-stylesheets.html:
* vibration/cancelVibration-after-pagevisibility-changed-to-hidden.html:
* vibration/cancelVibration-during-pattern-vibrating.html:
* vibration/navigator-vibration.html:
* webaudio/analyser-exception.html:
* webaudio/audiobuffer-neuter.html:
* webaudio/audiobuffer.html:
* webaudio/audiobuffersource-channels.html:
* webaudio/audiobuffersource-ended.html:
* webaudio/audiobuffersource-exception.html:
* webaudio/audiobuffersource-loop-comprehensive.html:
* webaudio/audiobuffersource-playbackState.html:
* webaudio/audiobuffersource-start.html:
* webaudio/audiochannelmerger-basic.html:
* webaudio/audiochannelmerger-stereo.html:
* webaudio/audiochannelsplitter.html:
* webaudio/audionode-channel-rules.html:
* webaudio/audionode-connect-order.html:
* webaudio/audionode.html:
* webaudio/audioparam-connect-audiora...