Refactoring: move ownership of RtcEventLog from Call to PeerConnection

webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc

Index: webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc
diff --git a/webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc b/webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc
index 6fb5f9ba1fb2bb26d831ddff8eefc9059b90f336..c0f0c2c88d373ebbed75015aa33dc7475fe3a7d9 100644
--- a/webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc
+++ b/webrtc/test/fuzzers/congestion_controller_feedback_fuzzer.cc
@@ -32,8 +32,7 @@ void FuzzOneInput(const uint8_t* data, size_t size) {
     return;
   SimulatedClock clock(data[i++]);
   NullBitrateObserver observer;
-  RtcEventLogNullImpl event_log;
-  CongestionController cc(&clock, &observer, &observer, &event_log);
+  CongestionController cc(&clock, &observer, &observer, nullptr);
   RemoteBitrateEstimator* rbe = cc.GetRemoteBitrateEstimator(true);
   RTPHeader header;
   header.ssrc = ByteReader<uint32_t>::ReadBigEndian(&data[i]);