Those 2 files are not used, they are not even compiled. The EFL port already has support for those types via Ewk_Url_Request and ewk_UrlResponse.
Created attachment 153997 [details] Patch
Comment on attachment 153997 [details] Patch Clearing flags on attachment: 153997 Committed r123454: <http://trac.webkit.org/changeset/123454>
All reviewed patches have been landed. Closing bug.