We could use OwnPtr to handle the memory of RenderBlock::m_floatingObjects and RenderBlock::m_positionedObjects, that would make memory management more obvious :)
Created attachment 83990 [details] Patch
Comment on attachment 83990 [details] Patch Thanks for the review.
Comment on attachment 83990 [details] Patch Clearing flags on attachment: 83990 Committed r79834: <http://trac.webkit.org/changeset/79834>
All reviewed patches have been landed. Closing bug.