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

webrtc/voice_engine/voe_base_impl.cc

Index: webrtc/voice_engine/voe_base_impl.cc
diff --git a/webrtc/voice_engine/voe_base_impl.cc b/webrtc/voice_engine/voe_base_impl.cc
index 7bfaddc744430c38196ad3a27e38638f6e70c1ba..5ed0e5f92c9da74c2e7e134a423a1ebc0347b281 100644
--- a/webrtc/voice_engine/voe_base_impl.cc
+++ b/webrtc/voice_engine/voe_base_impl.cc
@@ -420,6 +420,7 @@ int VoEBaseImpl::InitializeChannel(voe::ChannelOwner* channel_owner) {
         channel_owner->channel()->ChannelId());
     return -1;
   }
+  channel_owner->channel()->SetEventLog(shared_->event_log());
 
   return channel_owner->channel()->ChannelId();
 }
@@ -870,4 +871,8 @@ int VoEBaseImpl::AssociateSendChannel(int channel,
   return 0;
 }
 
+RtcEventLog* VoEBaseImpl::GetEventLog() {
+  return shared_->event_log();
+}
+
 }  // namespace webrtc