Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/media/base/mediaengine.h

Index: webrtc/media/base/mediaengine.h
diff --git a/webrtc/media/base/mediaengine.h b/webrtc/media/base/mediaengine.h
index 479d1acf4e820af67f8bbf925eac50700c9dfb2a..eb87f048d7a59b09b8eb6d40e83042ba1693f95b 100644
--- a/webrtc/media/base/mediaengine.h
+++ b/webrtc/media/base/mediaengine.h
@@ -93,12 +93,6 @@ class MediaEngineInterface {
 
   // Stops recording AEC dump.
   virtual void StopAecDump() = 0;
-
-  // Starts RtcEventLog using existing file.
-  virtual bool StartRtcEventLog(rtc::PlatformFile file) = 0;
-
-  // Stops recording an RtcEventLog.
-  virtual void StopRtcEventLog() = 0;
 };
 
 
@@ -181,12 +175,6 @@ class CompositeMediaEngine : public MediaEngineInterface {
     voice_.StopAecDump();
   }
 
-  virtual bool StartRtcEventLog(rtc::PlatformFile file) {
-    return voice_.StartRtcEventLog(file);
-  }
-
-  virtual void StopRtcEventLog() { voice_.StopRtcEventLog(); }
-
  protected:
   VOICE voice_;
   VIDEO video_;