To be able to check current version from web extensions too.
Created attachment 234245 [details] Patch
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
Committed r170707: <http://trac.webkit.org/changeset/170707>