The SVG elements below the SVGRoot must not contain RegionInfo objects. Only the SVGRoot element can be collected by named flows.
Created attachment 205899 [details] Patch
Comment on attachment 205899 [details] Patch r=me but please explain the testing story in ChangeLog
Created attachment 205901 [details] Patch with ChangeLog explaining the absence of tests.
Created attachment 205902 [details] Patch
Comment on attachment 205902 [details] Patch Clearing flags on attachment: 205902 Committed r152293: <http://trac.webkit.org/changeset/152293>