Crash a tab, as per e.g.  bug 758260 .
Click reload button.
Browser crashes.

void RenderFrameHostImpl::OnSuddenTerminationDisablerChanged(
    bool present,
    blink::WebSuddenTerminationDisablerType disabler_type) {
  DCHECK_NE(GetSuddenTerminationDisablerState(disabler_type), present);
  if (present) {
    sudden_termination_disabler_types_enabled_ |= disabler_type;
  } else {
    sudden_termination_disabler_types_enabled_ &= ~disabler_type;
  }
}

0:000> dv
           this = 0x3c4d8d68
        present = true
  disabler_type = 0x02 ''
 true_if_passed = class logging::CheckOpResult