Move rtp dump writer from quality test to test transport

webrtc/test/layer_filtering_transport.h

Index: webrtc/test/layer_filtering_transport.h
diff --git a/webrtc/test/layer_filtering_transport.h b/webrtc/test/layer_filtering_transport.h
index 32eb4c5a305c08d7889941ed5db33c7f25a5d68b..01327a22fde3d30339a47f8ec34cba3ce3e12727 100644
--- a/webrtc/test/layer_filtering_transport.h
+++ b/webrtc/test/layer_filtering_transport.h
@@ -10,17 +10,20 @@
 #ifndef WEBRTC_TEST_LAYER_FILTERING_TRANSPORT_H_
 #define WEBRTC_TEST_LAYER_FILTERING_TRANSPORT_H_
 
+#include <map>
+#include <memory>
+
 #include "webrtc/call/call.h"
 #include "webrtc/test/direct_transport.h"
 #include "webrtc/test/fake_network_pipe.h"
 #include "webrtc/test/single_threaded_task_queue.h"
 
-#include <map>
-
 namespace webrtc {
 
 namespace test {
 
+class RtpFileWriter;
+
 class LayerFilteringTransport : public test::DirectTransport {
  public:
   LayerFilteringTransport(SingleThreadedTaskQueueForTesting* task_queue,
@@ -30,7 +33,8 @@ class LayerFilteringTransport : public test::DirectTransport {
                           uint8_t vp9_video_payload_type,
                           int selected_tl,
                           int selected_sl,
-                          const std::map<uint8_t, MediaType>& payload_type_map);
+                          const std::map<uint8_t, MediaType>& payload_type_map,
+                          std::unique_ptr<test::RtpFileWriter> rtp_file_writer);
   bool DiscardedLastPacket() const;
   bool SendRtp(const uint8_t* data,
                size_t length,