has_user_callback  146 net/proxy/multi_threaded_proxy_resolver.cc     DCHECK(has_user_callback());
has_user_callback  196 net/proxy/multi_threaded_proxy_resolver.cc     if (!was_cancelled() && has_user_callback()) {
has_user_callback  514 net/proxy/multi_threaded_proxy_resolver.cc     CHECK(!job || job->was_cancelled() || !job->has_user_callback());