This parameter was added in r137011 http://trac.webkit.org/changeset/137011/trunk/Source/WebCore/platform/graphics/GraphicsContext.h
Created attachment 192192 [details] Patch
Comment on attachment 192192 [details] Patch Ok.
Comment on attachment 192192 [details] Patch Set cq+.
Comment on attachment 192192 [details] Patch Clearing flags on attachment: 192192 Committed r145225: <http://trac.webkit.org/changeset/145225>
All reviewed patches have been landed. Closing bug.