Take smaller interface for RtpRtcp::Configuration::receive_statistics

webrtc/modules/rtp_rtcp/source/rtcp_sender.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_sender.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
index abf2da15749fc36fe85b5859d68e6c212f4b4688..7b3ad496dddd07c4f67e779c3209dfa8a01893ed 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
@@ -77,7 +77,7 @@ class RTCPSender {
 
   RTCPSender(bool audio,
              Clock* clock,
-             ReceiveStatistics* receive_statistics,
+             ReceiveStatisticsProvider* receive_statistics,
              RtcpPacketTypeCounterObserver* packet_type_counter_observer,
              RtcEventLog* event_log,
              Transport* outgoing_transport);
@@ -211,7 +211,7 @@ class RTCPSender {
   uint32_t remote_ssrc_ GUARDED_BY(critical_section_rtcp_sender_);
   std::string cname_ GUARDED_BY(critical_section_rtcp_sender_);
 
-  ReceiveStatistics* receive_statistics_
+  ReceiveStatisticsProvider* receive_statistics_
       GUARDED_BY(critical_section_rtcp_sender_);
   std::map<uint32_t, std::string> csrc_cnames_
       GUARDED_BY(critical_section_rtcp_sender_);