I noticed WebAudio is still disabled by default. This is weird since it's been mature for a long time now. I would flip the default similarly to how we enabled MSE in bug #190243.
Created attachment 388285 [details] Patch
Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See http://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API
Comment on attachment 388285 [details] Patch LGTM, but please make the style checker pass before landing :)
Committed r254847: <https://trac.webkit.org/changeset/254847>