Revert of Refactor NACK bitrate allocation

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
index dbd919d0564c69ca97037d6b64044fbfacd33bf6..be8ab34a2771117680367ff7e1e4653ec4c3ab01 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
@@ -63,8 +63,7 @@
       send_frame_count_observer(nullptr),
       send_side_delay_observer(nullptr),
       event_log(nullptr),
-      send_packet_observer(nullptr),
-      retransmission_rate_limiter(nullptr) {}
+      send_packet_observer(nullptr) {}
 
 RtpRtcp* RtpRtcp::CreateRtpRtcp(const RtpRtcp::Configuration& configuration) {
   if (configuration.clock) {
@@ -90,8 +89,7 @@
                   configuration.send_frame_count_observer,
                   configuration.send_side_delay_observer,
                   configuration.event_log,
-                  configuration.send_packet_observer,
-                  configuration.retransmission_rate_limiter),
+                  configuration.send_packet_observer),
       rtcp_sender_(configuration.audio,
                    configuration.clock,
                    configuration.receive_statistics,
@@ -822,6 +820,10 @@
   return rtp_sender_.RED(payload_type);
 }
 
+void ModuleRtpRtcpImpl::SetTargetSendBitrate(uint32_t bitrate_bps) {
+  rtp_sender_.SetTargetBitrate(bitrate_bps);
+}
+
 int32_t ModuleRtpRtcpImpl::SetKeyFrameRequestMethod(
     const KeyFrameRequestMethod method) {
   key_frame_req_method_ = method;