WKNavigationDelegate.webViewWebContentProcessDidTerminate:. One
reading each time a web view’s content process dies.
Forcing a real content-process death on demand didn’t reproduce on the
device this was captured on, so the run below is the other case this
instrument reports on: a
WKNavigationDelegate that never wrote the
callback at all, named the moment basset sees it — before any termination
has to happen for the gap to be visible.
Real output from basset request get, captured against a running app: