[Cocoa] FontPlatformData's equality check should always use reference URLs
Created attachment 251584 [details] Patch
Committed r183305: <http://trac.webkit.org/changeset/183305>
Re-opened since this is blocked by bug 144213
This caused https://bugs.webkit.org/show_bug.cgi?id=144213
Committed r185113: <http://trac.webkit.org/changeset/185113>