main_callback 68 cc/resources/texture_mailbox_deleter.cc scoped_ptr<SingleReleaseCallback> main_callback = main_callback 72 cc/resources/texture_mailbox_deleter.cc return main_callback.Pass(); main_callback 3178 third_party/libevent/evdns.c evdns_resolve_reverse(&addr, 0, main_callback, v[idx]); main_callback 3181 third_party/libevent/evdns.c evdns_resolve_ipv4(v[idx], 0, main_callback, v[idx]);