Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/voice_engine/channel.h

Index: webrtc/voice_engine/channel.h
diff --git a/webrtc/voice_engine/channel.h b/webrtc/voice_engine/channel.h
index 0e87252877c407e9b9f6ec84e019a9712f3206f6..8f03fcb7e33b34143e85c56bad6b712723a636c5 100644
--- a/webrtc/voice_engine/channel.h
+++ b/webrtc/voice_engine/channel.h
@@ -15,6 +15,7 @@
 
 #include "webrtc/audio/audio_sink.h"
 #include "webrtc/base/criticalsection.h"
+#include "webrtc/call/rtc_event_log_proxy.h"
 #include "webrtc/common_audio/resampler/include/push_resampler.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
@@ -178,11 +179,9 @@ class Channel
   static int32_t CreateChannel(Channel*& channel,
                                int32_t channelId,
                                uint32_t instanceId,
-                               RtcEventLog* const event_log,
                                const Config& config);
   Channel(int32_t channelId,
           uint32_t instanceId,
-          RtcEventLog* const event_log,
           const Config& config);
   int32_t Init();
   int32_t SetEngineInformation(Statistics& engineStatistics,
@@ -455,6 +454,11 @@ class Channel
   // Disassociate a send channel if it was associated.
   void DisassociateSendChannel(int channel_id);
 
+  // Set a RtcEventLog logging object.
+  void SetRtcEventLog(RtcEventLog* event_log) {
+    event_log_.SetEventLog(event_log);
+  }
+
  protected:
   void OnIncomingFractionLoss(int fraction_lost);
 
@@ -492,7 +496,7 @@ class Channel
 
   ChannelState channel_state_;
 
-  RtcEventLog* const event_log_;
+  RtcEventLogProxy event_log_;
 
   std::unique_ptr<RtpHeaderParser> rtp_header_parser_;
   std::unique_ptr<RTPPayloadRegistry> rtp_payload_registry_;