Fix some chromium style warnings in remote_bitrate_estimator.h

webrtc/modules/congestion_controller/congestion_controller.cc

Index: webrtc/modules/congestion_controller/congestion_controller.cc
diff --git a/webrtc/modules/congestion_controller/congestion_controller.cc b/webrtc/modules/congestion_controller/congestion_controller.cc
index f7e7e5625a2984500bbb8a8231935181c3f42dc5..1c90d5cb9e4783b15a99bc711c6535f07cd6e956 100644
--- a/webrtc/modules/congestion_controller/congestion_controller.cc
+++ b/webrtc/modules/congestion_controller/congestion_controller.cc
@@ -64,6 +64,11 @@ class WrappingBitrateEstimator : public RemoteBitrateEstimator {
 
   virtual ~WrappingBitrateEstimator() {}
 
+  void IncomingPacketFeedbackVector(
+      const std::vector<PacketInfo>& packet_feedback_vector) override {
+    assert(false);
+  }
+
   void IncomingPacket(int64_t arrival_time_ms,
                       size_t payload_size,
                       const RTPHeader& header) override {