It's impossible to set the volume using the volume slider with macOS inline controls.
<rdar://problem/30605528>
Created attachment 302454 [details] Patch
Comment on attachment 302454 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=302454&action=review > Source/WebCore/ChangeLog:9 > + Only call super only for events we haven't registered in the context of this class only only > Source/WebCore/ChangeLog:10 > + specifically. Otherwise we'd invalidate the volume container visibility for a specifically in the context of this class.
Created attachment 302458 [details] Patch for landing
Comment on attachment 302458 [details] Patch for landing Clearing flags on attachment: 302458 Committed r212861: <http://trac.webkit.org/changeset/212861>
All reviewed patches have been landed. Closing bug.