Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
index d469e675e41f78b2410d66322cbf107a8c9abf98..34ec2ecabe09cdcaf1686a1b46c272496304a832 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
@@ -25,7 +25,9 @@ namespace bwe {
 
 RembBweSender::RembBweSender(int kbps, BitrateObserver* observer, Clock* clock)
     : bitrate_controller_(
-          BitrateController::CreateBitrateController(clock, observer)),
+          BitrateController::CreateBitrateController(clock,
+                                                     observer,
+                                                     &event_log_)),
       feedback_observer_(bitrate_controller_->CreateRtcpBandwidthObserver()),
       clock_(clock) {
   assert(kbps >= kMinBitrateKbps);