Added -show_detector_state which show the detector state in the total bitrate graph.

webrtc/tools/event_log_visualizer/main.cc

Index: webrtc/tools/event_log_visualizer/main.cc
diff --git a/webrtc/tools/event_log_visualizer/main.cc b/webrtc/tools/event_log_visualizer/main.cc
index 2f5ecd63e45f67bc4e12ac4910d5593393c57660..a93c0a8949011d8d7dd2f90ebb84f1bd4d1f9bdd 100644
--- a/webrtc/tools/event_log_visualizer/main.cc
+++ b/webrtc/tools/event_log_visualizer/main.cc
@@ -85,6 +85,11 @@ DEFINE_string(
     " will assign the group Enabled to field trial WebRTC-FooFeature. Multiple "
     "trials are separated by \"/\"");
 
+DEFINE_bool(
+    show_detector_state,
+    false,
+    "Mark the delay based bwe detector state on the total bitrate graph");
+
 int main(int argc, char* argv[]) {
   std::string program_name = argv[0];
   std::string usage =
@@ -169,11 +174,13 @@ int main(int argc, char* argv[]) {
   if (FLAGS_plot_all || FLAGS_plot_total_bitrate) {
     if (FLAGS_incoming) {
       analyzer.CreateTotalBitrateGraph(webrtc::PacketDirection::kIncomingPacket,
-                                       collection->AppendNewPlot());
+                                       collection->AppendNewPlot(),
+                                       FLAGS_show_detector_state);
     }
     if (FLAGS_outgoing) {
       analyzer.CreateTotalBitrateGraph(webrtc::PacketDirection::kOutgoingPacket,
-                                       collection->AppendNewPlot());
+                                       collection->AppendNewPlot(),
+                                       FLAGS_show_detector_state);
     }
   }