This will be necessary for nightly builds and for developers outside of Apple. The build currently fails due to some incorrect or missing forward-declarations of SPI.
Created attachment 236559 [details] Patch
Comment on attachment 236559 [details] Patch Clearing flags on attachment: 236559 Committed r172542: <http://trac.webkit.org/changeset/172542>
All reviewed patches have been landed. Closing bug.