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..ac1462700c338d6e0acf27ebd0cd37061977ebcc 100644
--- a/webrtc/voice_engine/voe_base_impl.cc
+++ b/webrtc/voice_engine/voe_base_impl.cc
@@ -394,7 +394,7 @@ int VoEBaseImpl::CreateChannel(const Config& config) {
     return -1;
   }
   voe::ChannelOwner channel_owner =
-      shared_->channel_manager().CreateChannel(config);
+      shared_->channel_manager().CreateChannel(config, shared_->event_log());
   return InitializeChannel(&channel_owner);
 }
 
@@ -420,7 +420,6 @@ int VoEBaseImpl::InitializeChannel(voe::ChannelOwner* channel_owner) {
         channel_owner->channel()->ChannelId());
     return -1;
   }
-
   return channel_owner->channel()->ChannelId();
 }