adjust scroll position to account for chrome in Scroller
adjust scroll position to account for chrome in Scroller

Issue: ENYO-527
Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)

mcanthony/enyo,soapdog/enyo,bright-sparks/enyo,wikieswan/enyo,wikieswan/enyo,PKRoma/enyo,soapdog/enyo,enyojs/enyo,kustomzone/enyo,kustomzone/enyo,beni55/enyo,enyojs/enyo,mcanthony/enyo,bright-sparks/enyo,beni55/enyo,PKRoma/enyo