DocumentThreadableLoaderClient is used for chromium port and others does not use it.
Created attachment 232177 [details] Patch
Comment on attachment 232177 [details] Patch rs=me.
Comment on attachment 232177 [details] Patch Clearing flags on attachment: 232177 Committed r169420: <http://trac.webkit.org/changeset/169420>
All reviewed patches have been landed. Closing bug.