WebResourceHandler passes itself as a WebResourceHandler to -[NSString _documentFromRange:document:documentAttributes:subresources:], but it doesn't implement any of its methods.
Created attachment 304892 [details] proposed patch
Comment on attachment 304892 [details] proposed patch Clearing flags on attachment: 304892 Committed r214148: <http://trac.webkit.org/changeset/214148>
All reviewed patches have been landed. Closing bug.