Since percentage sizes are not in the scope of these tests, there's no point in keeping them and risking test failures.
Created attachment 202442 [details] Patch
Comment on attachment 202442 [details] Patch rs=me
Comment on attachment 202442 [details] Patch Clearing flags on attachment: 202442 Committed r150458: <http://trac.webkit.org/changeset/150458>
All reviewed patches have been landed. Closing bug.