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..d1371cefb0eed8d5686f7a1d9b509aeb5665e063 100644
--- a/webrtc/test/layer_filtering_transport.h
+++ b/webrtc/test/layer_filtering_transport.h
@@ -10,18 +10,22 @@
 #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 LayerFilteringTransport : public test::DirectTransport {
+class RtpFileWriter;
+
+class LayerFilteringTransport : public test::DirectTransport,
+                                private PacketReceiver {
  public:
   LayerFilteringTransport(SingleThreadedTaskQueueForTesting* task_queue,
                           const FakeNetworkPipe::Config& config,
@@ -30,13 +34,20 @@ 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,
                const PacketOptions& options) override;
+  void SetReceiver(PacketReceiver* receiver) override;
 
  private:
+  DeliveryStatus DeliverPacket(MediaType media_type,
+                               const uint8_t* packet,
+                               size_t length,
+                               const PacketTime& packet_time) override;
+
   // Used to distinguish between VP8 and VP9.
   const uint8_t vp8_video_payload_type_;
   const uint8_t vp9_video_payload_type_;
@@ -45,6 +56,10 @@ class LayerFilteringTransport : public test::DirectTransport {
   const int selected_tl_;
   const int selected_sl_;
   bool discarded_last_packet_;
+
+  PacketReceiver* receiver_;
+  const int64_t start_ms_;
+  std::unique_ptr<test::RtpFileWriter> rtp_file_writer_;
 };
 
 }  // namespace test