85   std::queue<std::unique_ptr<T>> queue_;  variable
105   EnqueueBuffer(IQueueEnqueue<T>* queue) : queue_(queue) {}  in EnqueueBuffer()
109       queue_->UnregisterEnqueue();  in ~EnqueueBuffer()
117 …queue_->RegisterEnqueue(handler, common::Bind(&EnqueueBuffer<T>::enqueue_callback, common::Unretai…  in Enqueue()
124       queue_->UnregisterEnqueue();  in Clear()
146       queue_->UnregisterEnqueue();  in enqueue_callback()
155   IQueueEnqueue<T>* queue_;  variable
238   if (queue_.empty()) {  in TryDequeue()
244   std::unique_ptr<T> data = std::move(queue_.front());  in TryDequeue()
245   queue_.pop();  in TryDequeue()
258   queue_.push(std::move(data));  in EnqueueCallbackInternal()