Add WKNavigationDelegate SPI to disable TLS 1.0 and 1.1
Created attachment 389216 [details] Patch
Created attachment 389257 [details] Patch
Created attachment 389258 [details] Patch
<rdar://problem/59031444>
Comment on attachment 389258 [details] Patch enum instead of a bool?
Created attachment 389289 [details] Patch
http://trac.webkit.org/r255461