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

webrtc/voice_engine/shared_data.h

Index: webrtc/voice_engine/shared_data.h
diff --git a/webrtc/voice_engine/shared_data.h b/webrtc/voice_engine/shared_data.h
index 3ab1d45ac54884f3a02bb8740c4e844fecb42d2d..449e4e8c1508385b04be974e12832384c76dec97 100644
--- a/webrtc/voice_engine/shared_data.h
+++ b/webrtc/voice_engine/shared_data.h
@@ -24,6 +24,7 @@ class ProcessThread;
 namespace webrtc {
 class Config;
 class CriticalSectionWrapper;
+class RtcEventLog;
 
 namespace voe {
 
@@ -55,6 +56,7 @@ public:
     void set_audio_device_layer(AudioDeviceModule::AudioLayer layer) {
       _audioDeviceLayer = layer;
     }
+    RtcEventLog* event_log() { return _eventLog.get(); }
 
     int NumOfSendingChannels();
     int NumOfPlayingChannels();
@@ -75,6 +77,7 @@ protected:
     TransmitMixer* _transmitMixerPtr;
     rtc::scoped_ptr<AudioProcessing> audioproc_;
     rtc::scoped_ptr<ProcessThread> _moduleProcessThreadPtr;
+    rtc::scoped_ptr<RtcEventLog> _eventLog;
 
     bool _externalRecording;
     bool _externalPlayout;