Need to show an image instead of a solid color in the over-scrolled region.
Created attachment 140340 [details] Patch
Created attachment 140343 [details] Patch
Comment on attachment 140343 [details] Patch Looks good.
Comment on attachment 140343 [details] Patch Clearing flags on attachment: 140343 Committed r116199: <http://trac.webkit.org/changeset/116199>
All reviewed patches have been landed. Closing bug.