Currently we only allow elements that have attributeStyle() to share style with others if they have the exact same attribute map contents. We can be more specific and increase the style sharing hit rate.
Created attachment 126227 [details] Perhaps a patch
Comment on attachment 126227 [details] Perhaps a patch r=me, could use a comment explaining the ways attributeStylesEqual is not generic.
Committed r107173: <http://trac.webkit.org/changeset/107173>