Tweaked version of BBR for WebRTC.

webrtc/modules/bitrate_controller/bitrate_controller_impl.h

Index: webrtc/modules/bitrate_controller/bitrate_controller_impl.h
diff --git a/webrtc/modules/bitrate_controller/bitrate_controller_impl.h b/webrtc/modules/bitrate_controller/bitrate_controller_impl.h
index 11a58507739eb9b4c875a054ec2e3a73b8371976..a5fc333567f989287d1cd10a1dc8d11814172b94 100644
--- a/webrtc/modules/bitrate_controller/bitrate_controller_impl.h
+++ b/webrtc/modules/bitrate_controller/bitrate_controller_impl.h
@@ -72,11 +72,11 @@ class BitrateControllerImpl : public BitrateController {
 
   // Called by BitrateObserver's direct from the RTCP module.
   // Implements RtcpBandwidthObserver.
-  void OnReceivedEstimatedBitrate(uint32_t bitrate) override;
+  void OnReceivedEstimatedBitrate(uint32_t bitrate);
 
   void OnReceivedRtcpReceiverReport(const ReportBlockList& report_blocks,
                                     int64_t rtt,
-                                    int64_t now_ms) override;
+                                    int64_t now_ms);
 
   // Deprecated
   void MaybeTriggerOnNetworkChanged();