It is not listed in "static const CSSPropertyID computedProperties[]". Upstreaming https://code.google.com/p/chromium/issues/detail?id=157856
Created attachment 182133 [details] Patch
Comment on attachment 182133 [details] Patch Clearing flags on attachment: 182133 Committed r139321: <http://trac.webkit.org/changeset/139321>
All reviewed patches have been landed. Closing bug.