Those resources are in Tools/TestWebKitAPI/Tests/WebKitGtk/resources and are used by the WebKit2 unit tests was well, we should either move them to the WebKit2Gtk folder or a common location just in case they might be used by other tests.
Created attachment 228950 [details] Patch
Committed r167008: <http://trac.webkit.org/changeset/167008>