Move rtp dump writer from quality test to test transport

webrtc/test/direct_transport.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include "webrtc/test/direct_transport.h"
@@ skipping 106 matching lines @@
 bool DirectTransport::SendRtcp(const uint8_t* data, size_t length) {
   fake_network_.SendPacket(data, length);
   return true;
 }
 
 int DirectTransport::GetAverageDelayMs() {
   return fake_network_.AverageDelay();
 }
 
 DirectTransport::ForceDemuxer::ForceDemuxer(MediaType media_type)
-    : media_type_(media_type) {}
+    : media_type_(media_type),
+      packet_receiver_(nullptr) {}
 
 void DirectTransport::ForceDemuxer::SetReceiver(PacketReceiver* receiver) {
   packet_receiver_ = receiver;
 }
 
 void DirectTransport::ForceDemuxer::DeliverPacket(
     const NetworkPacket* packet,
     const PacketTime& packet_time) {
   if (!packet_receiver_)
     return;
   packet_receiver_->DeliverPacket(media_type_, packet->data(),
                                   packet->data_length(), packet_time);
 }
 
 void DirectTransport::SendPackets() {
   RTC_DCHECK_CALLED_SEQUENTIALLY(&sequence_checker_);
 
   fake_network_.Process();
 
   int64_t delay_ms = fake_network_.TimeUntilNextProcess();
   next_scheduled_task_ = task_queue_->PostDelayedTask([this]() {
     SendPackets();
   }, delay_ms);
 }
 }  // namespace test
 }  // namespace webrtc