Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/modules/bitrate_controller/bitrate_controller_impl.cc

Index: webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
diff --git a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
index 8a2464d09c3d5124c8585f6b4996ba141ed12ffd..c99bd53218698d21982294238d4321bfec90bada 100644
--- a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
+++ b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
@@ -79,25 +79,20 @@
 
 BitrateController* BitrateController::CreateBitrateController(
     Clock* clock,
-    BitrateObserver* observer,
-    RtcEventLog* event_log) {
-  return new BitrateControllerImpl(clock, observer, event_log);
-}
-
-BitrateController* BitrateController::CreateBitrateController(
-    Clock* clock,
-    RtcEventLog* event_log) {
-  return CreateBitrateController(clock, nullptr, event_log);
+    BitrateObserver* observer) {
+  return new BitrateControllerImpl(clock, observer);
+}
+
+BitrateController* BitrateController::CreateBitrateController(Clock* clock) {
+  return new BitrateControllerImpl(clock, nullptr);
 }
 
 BitrateControllerImpl::BitrateControllerImpl(Clock* clock,
-                                             BitrateObserver* observer,
-                                             RtcEventLog* event_log)
+                                             BitrateObserver* observer)
     : clock_(clock),
       observer_(observer),
       last_bitrate_update_ms_(clock_->TimeInMilliseconds()),
-      event_log_(event_log),
-      bandwidth_estimation_(event_log),
+      bandwidth_estimation_(),
       reserved_bitrate_bps_(0),
       last_bitrate_bps_(0),
       last_fraction_loss_(0),
@@ -148,7 +143,7 @@
                                           int max_bitrate_bps) {
   {
     rtc::CritScope cs(&critsect_);
-    bandwidth_estimation_ = SendSideBandwidthEstimation(event_log_);
+    bandwidth_estimation_ = SendSideBandwidthEstimation();
     bandwidth_estimation_.SetBitrates(bitrate_bps, min_bitrate_bps,
                                       max_bitrate_bps);
   }
@@ -161,6 +156,11 @@
     reserved_bitrate_bps_ = reserved_bitrate_bps;
   }
   MaybeTriggerOnNetworkChanged();
+}
+
+void BitrateControllerImpl::SetEventLog(RtcEventLog* event_log) {
+  rtc::CritScope cs(&critsect_);
+  bandwidth_estimation_.SetEventLog(event_log);
 }
 
 void BitrateControllerImpl::OnReceivedEstimatedBitrate(uint32_t bitrate) {