Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/media/base/mediaengine.h

 /*
  *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 70 matching lines @@
   virtual const std::vector<VideoCodec>& video_codecs() = 0;
   virtual RtpCapabilities GetVideoCapabilities() = 0;
 
   // Starts AEC dump using existing file, a maximum file size in bytes can be
   // specified. Logging is stopped just before the size limit is exceeded.
   // If max_size_bytes is set to a value <= 0, no limit will be used.
   virtual bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes) = 0;
 
   // Stops recording AEC dump.
   virtual void StopAecDump() = 0;
+
+  // Starts RtcEventLog using existing file. A maximum file size in bytes can be
+  // specified. Logging is stopped just before the size limit is exceeded.
+  // If max_size_bytes is set to a value <= 0, no limit will be used.
+  virtual bool StartRtcEventLog(rtc::PlatformFile file,
+                                int64_t max_size_bytes) = 0;
+
+  // Stops recording an RtcEventLog.
+  virtual void StopRtcEventLog() = 0;
 };
 
 
 #if !defined(DISABLE_MEDIA_ENGINE_FACTORY)
 class MediaEngineFactory {
  public:
   typedef cricket::MediaEngineInterface* (*MediaEngineCreateFunction)();
   // Creates a media engine, using either the compiled system default or the
   // creation function specified in SetCreateFunction, if specified.
   static MediaEngineInterface* Create();
@@ skipping 58 matching lines @@
   }
 
   virtual bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes) {
     return voice_.StartAecDump(file, max_size_bytes);
   }
 
   virtual void StopAecDump() {
     voice_.StopAecDump();
   }
 
+  virtual bool StartRtcEventLog(rtc::PlatformFile file,
+                                int64_t max_size_bytes) {
+    return voice_.StartRtcEventLog(file, max_size_bytes);
+  }
+
+  virtual void StopRtcEventLog() { voice_.StopRtcEventLog(); }
+
  protected:
   VOICE voice_;
   VIDEO video_;
 };
 
 enum DataChannelType {
   DCT_NONE = 0,
   DCT_RTP = 1,
   DCT_SCTP = 2
 };
 
 class DataEngineInterface {
  public:
   virtual ~DataEngineInterface() {}
   virtual DataMediaChannel* CreateChannel(DataChannelType type) = 0;
   virtual const std::vector<DataCodec>& data_codecs() = 0;
 };
 
 webrtc::RtpParameters CreateRtpParametersWithOneEncoding();
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_MEDIAENGINE_H_