14   explicit NodeWorkers(std::weak_ptr<NodeWorker::Frontend> frontend,  in NodeWorkers()  argument
16                       : frontend_(frontend), thread_(thread) {}  in NodeWorkers()
127   auto frontend = frontend_.lock();  in WorkerCreated()  local
128   if (!frontend)  in WorkerCreated()
135   frontend->attachedToWorker(id, WorkerInfo(id, title, url), waiting);  in WorkerCreated()
139   auto frontend = frontend_.lock();  in Send()  local
140   if (frontend)  in Send()
141     frontend->receivedMessageFromWorker(id, message);  in Send()
153   auto frontend = frontend_.lock();  in Detached()  local
154   if (frontend) {  in Detached()
155     frontend->detachedFromWorker(id);  in Detached()