NotifyXmppPingUpdated  108 chrome/service/cloud_print/cloud_print_proxy_backend.cc   void NotifyXmppPingUpdated(int ping_timeout);
NotifyXmppPingUpdated  330 chrome/service/cloud_print/cloud_print_proxy_backend.cc       base::Bind(&Core::NotifyXmppPingUpdated, this, ping_timeout));