Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/api/peerconnectionfactory.h

Index: webrtc/api/peerconnectionfactory.h
diff --git a/webrtc/api/peerconnectionfactory.h b/webrtc/api/peerconnectionfactory.h
index b47f75a7ce9ea11fa7403a7308111719cc062bcb..1efa3a91b5bd6082b512e2178db3ae58be7fb048 100644
--- a/webrtc/api/peerconnectionfactory.h
+++ b/webrtc/api/peerconnectionfactory.h
@@ -83,8 +83,10 @@ class PeerConnectionFactory : public PeerConnectionFactoryInterface {
 
   bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes) override;
   void StopAecDump() override;
-  bool StartRtcEventLog(rtc::PlatformFile file) override;
-  void StopRtcEventLog() override;
+  // TODO(ivoc) Remove after Chrome is updated.
+  bool StartRtcEventLog(rtc::PlatformFile file) override { return false; }
+  // TODO(ivoc) Remove after Chrome is updated.
+  void StopRtcEventLog() override {}
 
   virtual webrtc::MediaControllerInterface* CreateMediaController(
       const cricket::MediaConfig& config) const;