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 1dc89e7ee119422fd14c9eb56e36de31b914a51f..7d9f5327ff0e80e872fe4b0f2f056a28cd4033d8 100644
--- a/webrtc/voice_engine/voe_base_impl.cc
+++ b/webrtc/voice_engine/voe_base_impl.cc
@@ -424,7 +424,6 @@ int VoEBaseImpl::InitializeChannel(voe::ChannelOwner* channel_owner) {
         channel_owner->channel()->ChannelId());
     return -1;
   }
-
   return channel_owner->channel()->ChannelId();
 }