If Network Cache is disabled we try to use NSURLCache. This doesn't currently work on iOS due to sandboxing.
<rdar://problem/21433691>
Created attachment 255552 [details] patch
Hmm look like this is not correct. We end up with exciting /private/var/mobile/Containers/Data/Application/38D69C4C-B96F-41D6-8186-8A78798D7EDE/Library/Caches/com.apple.WebKit.Networking/var/mobile/Containers/Data/Application/38D69C4C-B96F-41D6-8186-8A78798D7EDE/Library/Caches/WebKit/NetworkCache/Cache.db with Network Cache disabled.
Created attachment 256698 [details] patch
Comment on attachment 256698 [details] patch Clearing flags on attachment: 256698 Committed r187045: <http://trac.webkit.org/changeset/187045>
All reviewed patches have been landed. Closing bug.