[NbtkScrollView] Chain up in paint() for CSS styling support.
[NbtkScrollView] Chain up in paint() for CSS styling support.

clutter-project/mx,jonnylamb/mx,jonnylamb/mx,clutter-project/mx,clutter-project/mx,jonnylamb/mx,clutter-project/mx,pwithnall/mx,jonnylamb/mx,pwithnall/mx,pwithnall/mx,pwithnall/mx