Remove ResetStatistics from RTP feedback.

webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h

Index: webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h
diff --git a/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h b/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h
index cd41744d8d16d81c441f2b4b2b0f4d704e4c0c24..e9492298b9b03c94f6bbafd861d5e89b2928806a 100644
--- a/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h
+++ b/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h
@@ -36,7 +36,6 @@ class StreamStatisticianImpl : public StreamStatistician {
   void GetReceiveStreamDataCounters(
       StreamDataCounters* data_counters) const override;
   uint32_t BitrateReceived() const override;
-  void ResetStatistics() override;
   bool IsRetransmitOfOldPacket(const RTPHeader& header,
                                int64_t min_rtt) const override;
   bool IsPacketInOrder(uint16_t sequence_number) const override;
@@ -85,9 +84,6 @@ class StreamStatisticianImpl : public StreamStatistician {
   size_t received_packet_overhead_;
   StreamDataCounters receive_counters_;
 
-  // Stored counter values. Includes sum of reset counter values for the stream.
-  StreamDataCounters stored_sum_receive_counters_;
-
   // Counter values when we sent the last report.
   uint32_t last_report_inorder_packets_;
   uint32_t last_report_old_packets_;