[webkit-reviews] review requested: [Bug 79611] Be more restrictive when adding ScrollableArea's to FrameView's ScrollableArea's map : [Attachment 131543] patch v2

[bugzilla-daemon at webkit.org]

Antonio Gomes <tonikitoo at webkit.org> has asked	for review:
Bug 79611: Be more restrictive when adding ScrollableArea's to FrameView's
ScrollableArea's map
https://bugs.webkit.org/show_bug.cgi?id=79611

Attachment 131543: patch v2
https://bugs.webkit.org/attachment.cgi?id=131543&action=review

------- Additional Comments from Antonio Gomes <tonikitoo at webkit.org>
@Sam/Anders: Made both updateScrollableAreaSet simpler, but as I explained in
comment #10, just checking scrollbars is not enough, since ports can disable
them at FrameView creation.

Also made the renames you guys suggested.