Hooked up RtcEventLog. It lives in Voice Engine and pointers are propagated to ACM and Call.

talk/media/webrtc/fakewebrtcvoiceengine.h

 /*
  * libjingle
  * Copyright 2010 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 518 matching lines @@
     return 0;
   }
   WEBRTC_STUB(GetVersion, (char version[1024]));
   WEBRTC_STUB(LastError, ());
   WEBRTC_FUNC(AssociateSendChannel, (int channel,
                                      int accociate_send_channel)) {
     WEBRTC_CHECK_CHANNEL(channel);
     channels_[channel]->associate_send_channel = accociate_send_channel;
     return 0;
   }
+  webrtc::RtcEventLog* GetEventLog() { return nullptr; }
 
   // webrtc::VoECodec
   WEBRTC_FUNC(NumOfCodecs, ()) {
     return num_codecs_;
   }
   WEBRTC_FUNC(GetCodec, (int index, webrtc::CodecInst& codec)) {
     if (index < 0 || index >= NumOfCodecs()) {
       return -1;
     }
     const cricket::AudioCodec& c(*codecs_[index]);
@@ skipping 734 matching lines @@
   DtmfInfo dtmf_info_;
   webrtc::VoEMediaProcess* media_processor_;
   FakeAudioProcessing audio_processing_;
 };
 
 #undef WEBRTC_CHECK_HEADER_EXTENSION_ID
 
 }  // namespace cricket
 
 #endif  // TALK_SESSION_PHONE_FAKEWEBRTCVOICEENGINE_H_