[webkit-reviews] review requested: [Bug 78728] Box shadow drawing takes an unnecessarily slow code path in some single-shadow, opaque-background cases : [Attachment 127213] Let the background cast the shadow directly in some cases where this is possible

[bugzilla-daemon at webkit.org]

mitz at webkit.org has asked  for review:
Bug 78728: Box shadow drawing takes an unnecessarily slow code path in some
single-shadow, opaque-background cases
https://bugs.webkit.org/show_bug.cgi?id=78728

Attachment 127213: Let the background cast the shadow directly in some cases
where this is possible
https://bugs.webkit.org/attachment.cgi?id=127213&action=review