This was reported as a problem in the mailing list, so I added a new test case to check if I could reproduce the problem, that I can't, but I think we can add the test in any case.
Created attachment 219163 [details]
Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See http://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API
Comment on attachment 219163 [details]
Yeah, I couldn't reproduce it either.
Committed r160540: <http://trac.webkit.org/changeset/160540>