Making FakeNetworkPipe demux audio and video packets.

webrtc/call/rampup_tests.cc

Index: webrtc/call/rampup_tests.cc
diff --git a/webrtc/call/rampup_tests.cc b/webrtc/call/rampup_tests.cc
index b75418d546c7653ecf9945ff9d7d01aa220c3fc9..f51ab31fb92c4f6e23140bbb18620efeaf0d8617 100644
--- a/webrtc/call/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -90,10 +90,9 @@ void RampUpTester::OnVideoStreamsCreated(
 }
 
 test::PacketTransport* RampUpTester::CreateSendTransport(Call* sender_call) {
-  send_transport_ = new test::PacketTransport(sender_call, this,
-                                              test::PacketTransport::kSender,
-                                              SelectMediaType(),
-                                              forward_transport_config_);
+  send_transport_ = new test::PacketTransport(
+      sender_call, this, test::PacketTransport::kSender,
+      test::CallTest::payload_type_map_, forward_transport_config_);
   return send_transport_;
 }