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

webrtc/voice_engine/channel_manager.h

Index: webrtc/voice_engine/channel_manager.h
diff --git a/webrtc/voice_engine/channel_manager.h b/webrtc/voice_engine/channel_manager.h
index 07cebb0327fb86b90edccf8637c5495c264d2591..f37ce3698bda07007e91e2414242dec8d841a970 100644
--- a/webrtc/voice_engine/channel_manager.h
+++ b/webrtc/voice_engine/channel_manager.h
@@ -22,6 +22,7 @@
 namespace webrtc {
 
 class Config;
+class RtcEventLog;
 
 namespace voe {
 
@@ -70,7 +71,9 @@ class ChannelOwner {
 
 class ChannelManager {
  public:
-  ChannelManager(uint32_t instance_id, const Config& config);
+  ChannelManager(uint32_t instance_id,
+                 const Config& config,
+                 RtcEventLog* const event_log);
 
   // Upon construction of an Iterator it will grab a copy of the channel list of
   // the ChannelManager. The iteration will then occur over this state, not the
@@ -94,12 +97,15 @@ class ChannelManager {
   };
 
   // CreateChannel will always return a valid ChannelOwner instance. The channel
-  // is created either based on internal configuration, i.e. |config_|, by
-  // calling CreateChannel(), or using and external configuration
-  // |external_config| if the overloaded method
-  // CreateChannel(const Config& external_config) is called.
+  // is created either based on internal configuration, i.e. |config_| and
+  // |event_log_|, by calling CreateChannel(), or using and external
+  // configuration |external_config| and external event log |event_log| if the
+  // overloaded method
+  // CreateChannel(const Config& external_config, RtcEventLog* const event_log)
+  // is called.
   ChannelOwner CreateChannel();
-  ChannelOwner CreateChannel(const Config& external_config);
+  ChannelOwner CreateChannel(const Config& external_config,
+                             RtcEventLog* const event_log);
 
   // ChannelOwner.channel() will be NULL if channel_id is invalid or no longer
   // exists. This should be checked with ChannelOwner::IsValid().
@@ -113,7 +119,8 @@ class ChannelManager {
 
  private:
   // Create a channel given a configuration, |config|.
-  ChannelOwner CreateChannelInternal(const Config& config);
+  ChannelOwner CreateChannelInternal(const Config& config,
+                                     RtcEventLog* const event_log);
 
   uint32_t instance_id_;
 
@@ -123,6 +130,7 @@ class ChannelManager {
   std::vector<ChannelOwner> channels_;
 
   const Config& config_;
+  RtcEventLog* const event_log_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelManager);
 };