[FIX] Scrollbar: ScrollBar broken in upcoming Chrome versions(Canary 40)

It fixes brocken Scrollbar if Zoom factor is not 100%
then scrollLeft and scrollTop return float instead of int as in previous
versions of Chrome.

Fixes https://github.com/SAP/openui5/issues/190
CSS: 1482007999.
Change-Id: Ie85e9d1076c3b3345a5820175972dbec7a2fe85c
Merge "[FIX] Scrollbar: ScrollBar broken in upcoming Chrome versions(Canary 40)"