Revert of Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket.

webrtc/p2p/base/port.h

Index: webrtc/p2p/base/port.h
diff --git a/webrtc/p2p/base/port.h b/webrtc/p2p/base/port.h
index 436b1e7faafc2993f67e5905a35ef0e56f1f2cf2..57608b5b14deefb57277e9fa044c6d9ca9f1fbfb 100644
--- a/webrtc/p2p/base/port.h
+++ b/webrtc/p2p/base/port.h
@@ -280,11 +280,7 @@
                             const std::string& remote_ufrag);
 
   // Called when a packet has been sent to the socket.
-  // This is made pure virtual to notify subclasses of Port that they MUST
-  // listen to AsyncPacketSocket::SignalSentPacket and then call
-  // PortInterface::OnSentPacket.
-  virtual void OnSentPacket(rtc::AsyncPacketSocket* socket,
-                            const rtc::SentPacket& sent_packet) = 0;
+  void OnSentPacket(const rtc::SentPacket& sent_packet);
 
   // Called when the socket is currently able to send.
   void OnReadyToSend();