Plot accumelated packets over time.

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 d8d9e25a2661e63e1abb9f5d8e9c25a95483941b..a56947c484ce25cacd7a6b32eb117805501d0226 100644
--- a/webrtc/tools/event_log_visualizer/main.cc
+++ b/webrtc/tools/event_log_visualizer/main.cc
@@ -91,10 +91,16 @@ int main(int argc, char* argv[]) {
     if (FLAGS_incoming) {
       analyzer.CreatePacketGraph(webrtc::PacketDirection::kIncomingPacket,
                                  collection->AppendNewPlot());
+      analyzer.CreateAccumulatedPacketsGraph(
+          webrtc::PacketDirection::kIncomingPacket,
+          collection->AppendNewPlot());
     }
     if (FLAGS_outgoing) {
       analyzer.CreatePacketGraph(webrtc::PacketDirection::kOutgoingPacket,
                                  collection->AppendNewPlot());
+      analyzer.CreateAccumulatedPacketsGraph(
+          webrtc::PacketDirection::kOutgoingPacket,
+          collection->AppendNewPlot());
     }
   }