31   DCHECK(port == 0 || port == 1);  in GetPeerPort()
36   DCHECK(port == 0 || port == 1);  in CancelAllWaiters()
39   DCHECK(endpoints_[port].get());  in CancelAllWaiters()
44   DCHECK(port == 0 || port == 1);  in Close()
49   DCHECK(endpoints_[port].get());  in Close()
69   DCHECK(port == 0 || port == 1);  in WriteMessage()
85   DCHECK(port == 0 || port == 1);  in ReadMessage()
88   DCHECK(endpoints_[port].get());  in ReadMessage()
99   DCHECK(port == 0 || port == 1);  in AddWaiter()
102   DCHECK(endpoints_[port].get());  in AddWaiter()
108   DCHECK(port == 0 || port == 1);  in RemoveWaiter()
111   DCHECK(endpoints_[port].get());  in RemoveWaiter()
120   DCHECK(port == 0 || port == 1);  in EnqueueMessage()
121   DCHECK(message);  in EnqueueMessage()
124     DCHECK(!dispatchers);  in EnqueueMessage()
131   DCHECK(endpoints_[GetPeerPort(port)].get());  in EnqueueMessage()
146     DCHECK(!dispatchers->empty());  in EnqueueMessage()
165   DCHECK(port == 0 || port == 1);  in Attach()
166   DCHECK(channel.get());  in Attach()
170   DCHECK(endpoints_[port].get());  in Attach()
176   DCHECK(port == 0 || port == 1);  in Run()
180   DCHECK(endpoints_[port].get());  in Run()
192   DCHECK(!endpoints_[0].get());  in ~MessagePipe()
193   DCHECK(!endpoints_[1].get());  in ~MessagePipe()
198   DCHECK(port == 0 || port == 1);  in HandleControlMessage()
199   DCHECK(message);  in HandleControlMessage()
208       DCHECK(endpoints_[source_port].get());  in HandleControlMessage()