Move RtcpReportBlocks implementation from ReceiveStatistics to ReceiveStatisticsImpl

webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc

Index: webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc
diff --git a/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc b/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc
index 7ac86ee0f29499eb0cbe61a8772801b010b21c07..a3e1ef12544407d555e7065d42d1c5cf28c3fb39 100644
--- a/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc
+++ b/webrtc/modules/rtp_rtcp/source/receive_statistics_impl.cc
@@ -494,7 +494,7 @@ void ReceiveStatisticsImpl::DataCountersUpdated(const StreamDataCounters& stats,
   }
 }
 
-std::vector<rtcp::ReportBlock> ReceiveStatistics::RtcpReportBlocks(
+std::vector<rtcp::ReportBlock> ReceiveStatisticsImpl::RtcpReportBlocks(
     size_t max_blocks) {
   StatisticianMap statisticians = GetActiveStatisticians();
   std::vector<rtcp::ReportBlock> result;