[webkit-reviews] review requested: [Bug 156313] Avoid using an unengaged Optional<FloatRect> when positioning the tiled scrolling indicator : [Attachment 275822] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 156313: Avoid using an unengaged Optional<FloatRect> when positioning the
tiled scrolling indicator
https://bugs.webkit.org/show_bug.cgi?id=156313

Attachment 275822: Patch

https://bugs.webkit.org/attachment.cgi?id=275822&action=review