[webkit-reviews] review requested: [Bug 49308] Handle Page up/down and home/end keys in list box controls : [Attachment 78680] Updated patch

[bugzilla-daemon at webkit.org]

Carlos Garcia Campos <cgarcia at igalia.com> has asked  for review:
Bug 49308: Handle Page up/down and home/end keys in list box controls
https://bugs.webkit.org/show_bug.cgi?id=49308

Attachment 78680: Updated patch
https://bugs.webkit.org/attachment.cgi?id=78680&action=review

------- Additional Comments from Carlos Garcia Campos <cgarcia at igalia.com>
I've added helper funtions to make the code easier and fixed the typo
'widowSize' using pageSize instead since it actually represents the size of the
page used for Page up/down.