This will allow developers to test async frame scrolling without to explicitly disable frame flattening.
Created attachment 313604 [details]
The patch is bit-rotten. It seems that the new iOS simulator exposes experimental features which make this more interesting now. Maybe we can just completely disable frame flattening instead of just enabling the heuristics?
Created attachment 321946 [details]
Comment on attachment 321946 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=321946&action=review
> +FrameFlattening Settings::actualFrameFlattening()
This is a very confusing name. Maybe "effectiveFrameFlattening" would be slightly less confusing?
(In reply to Simon Fraser (smfr) from comment #4)
> This is a very confusing name. Maybe "effectiveFrameFlattening" would be
> slightly less confusing?
OK, I'll change it.
Committed r223169: <http://trac.webkit.org/changeset/223169>