It's always enabled on all CFNetwork-based platforms, and I'm not aware of any plans to disable it. Please stop me if this still needs to be optional. These ifdefs make understanding networking code substantially more difficult.
Created attachment 172186 [details] proposed patch In Mac code, it can be just removed. Elsewhere, it can be replaced with different conditions.
Comment on attachment 172186 [details] proposed patch Clearing flags on attachment: 172186 Committed r133410: <http://trac.webkit.org/changeset/133410>
All reviewed patches have been landed. Closing bug.