Total packet rate plots for event_log_visualizer.

Bug: b/152399961
Change-Id: I9fcd2e234f229cefc972149ab22ccd845a8e90ba
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/172440
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Kristoffer Erlandsson <kerl@google.com>
Cr-Commit-Position: refs/heads/master@{#30963}
diff --git a/rtc_tools/rtc_event_log_visualizer/analyzer.h b/rtc_tools/rtc_event_log_visualizer/analyzer.h
index e59e7b4..1e09109 100644
--- a/rtc_tools/rtc_event_log_visualizer/analyzer.h
+++ b/rtc_tools/rtc_event_log_visualizer/analyzer.h
@@ -65,6 +65,8 @@
 
   void CreatePacketRateGraph(PacketDirection direction, Plot* plot);
 
+  void CreateTotalPacketRateGraph(PacketDirection direction, Plot* plot);
+
   void CreatePlayoutGraph(Plot* plot);
 
   void CreateAudioLevelGraph(PacketDirection direction, Plot* plot);