Making FakeNetworkPipe demux audio and video packets.

webrtc/test/rtp_rtcp_observer.h

Index: webrtc/test/rtp_rtcp_observer.h
diff --git a/webrtc/test/rtp_rtcp_observer.h b/webrtc/test/rtp_rtcp_observer.h
index b268e4ba026d83ef316526a30a5b3e00e6d99764..bb00782510681e38511e95a2475f45d69d531b24 100644
--- a/webrtc/test/rtp_rtcp_observer.h
+++ b/webrtc/test/rtp_rtcp_observer.h
@@ -94,9 +94,9 @@ class PacketTransport : public test::DirectTransport {
   PacketTransport(Call* send_call,
                   RtpRtcpObserver* observer,
                   TransportType transport_type,
-                  MediaType media_type,
+                  const std::map<uint8_t, MediaType>& payload_type_map,
                   const FakeNetworkPipe::Config& configuration)
-      : test::DirectTransport(configuration, send_call, media_type),
+      : test::DirectTransport(configuration, send_call, payload_type_map),
         observer_(observer),
         transport_type_(transport_type) {}