Reland: Add BWE plot to event log analyzer.

webrtc/tools/event_log_visualizer/generate_timeseries.cc

Index: webrtc/tools/event_log_visualizer/generate_timeseries.cc
diff --git a/webrtc/tools/event_log_visualizer/generate_timeseries.cc b/webrtc/tools/event_log_visualizer/generate_timeseries.cc
index d2139475fa225ee50ce132dd1fd16450d99e1e51..02e9ad372768fabc1738dabdea78108b3883980b 100644
--- a/webrtc/tools/event_log_visualizer/generate_timeseries.cc
+++ b/webrtc/tools/event_log_visualizer/generate_timeseries.cc
@@ -43,6 +43,10 @@ DEFINE_bool(plot_total_bitrate,
 DEFINE_bool(plot_stream_bitrate,
             false,
             "Plot the bitrate used by each stream.");
+DEFINE_bool(plot_bwe,
+            false,
+            "Run the bandwidth estimator with the logged rtp and rtcp and plot "
+            "the output.");
 
 int main(int argc, char* argv[]) {
   std::string program_name = argv[0];
@@ -132,6 +136,10 @@ int main(int argc, char* argv[]) {
     }
   }
 
+  if (FLAGS_plot_all || FLAGS_plot_bwe) {
+    analyzer.CreateBweGraph(collection->append_new_plot());
+  }
+
   collection->draw();
 
   return 0;