Add logging of delay-based bandwidth estimate.

webrtc/tools/event_log_visualizer/analyzer.cc

 /*
  *  Copyright (c) 2016 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.
  */
 
@@ skipping 1115 matching lines @@
   for (const auto& kv : rtcp_packets_) {
     if (kv.first.GetDirection() == PacketDirection::kIncomingPacket) {
       for (const LoggedRtcpPacket& rtcp_packet : kv.second)
         incoming_rtcp.insert(
             std::make_pair(rtcp_packet.timestamp, &rtcp_packet));
     }
   }
 
   SimulatedClock clock(0);
   NullBitrateController null_controller;
-  TransportFeedbackAdapter feedback_adapter(&clock, &null_controller);
+  TransportFeedbackAdapter feedback_adapter(nullptr, &clock, &null_controller);
   feedback_adapter.InitBwe();
 
   TimeSeries time_series;
   time_series.label = "Network Delay Change";
   time_series.style = LINE_DOT_GRAPH;
   int64_t estimated_base_delay_ms = std::numeric_limits<int64_t>::max();
 
   auto rtp_iterator = outgoing_rtp.begin();
   auto rtcp_iterator = incoming_rtcp.begin();
 
@@ skipping 122 matching lines @@
       }
     }
   }
 
   plot->SetXAxis(0, call_duration_s_, "Time (s)", kLeftMargin, kRightMargin);
   plot->SetSuggestedYAxis(0, 1, "Timestamp (90khz)", kBottomMargin, kTopMargin);
   plot->SetTitle("Timestamps");
 }
 }  // namespace plotting
 }  // namespace webrtc