nsIScrollableView* scrollable = GetScrollableView(); scrollable->ScrollTo(aX, aY, aFlags);
nsIScrollableView* scrollable = GetScrollableView(aPresContext); scrollable->ScrollTo(aX,aY, NS_SCROLL_PROPERTY_ALWAYS_BLIT);
nsGfxScrollFrameInner::ScrollbarChanged(nsPresContext* aPresContext, nscoord aX, nscoord aY, PRUint32 aFlags){  nsIScrollableView* scrollable = GetScrollableView();  scrollable->ScrollTo(aX, aY, aFlags); // printf("scrolling to: %d, %d\n", aX, aY);}