OnUnknownHostIdError  146 remoting/host/heartbeat_sender.cc         listener_->OnUnknownHostIdError();
OnUnknownHostIdError   90 remoting/host/heartbeat_sender.h     virtual void OnUnknownHostIdError() = 0;
OnUnknownHostIdError  154 remoting/host/remoting_me2me_host.cc   virtual void OnUnknownHostIdError() OVERRIDE;