Clarify some function names in visualization tool.

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 27dc59c04259d64a85f4f03e6aa18c242e207d6d..d8d9e25a2661e63e1abb9f5d8e9c25a95483941b 100644
--- a/webrtc/tools/event_log_visualizer/main.cc
+++ b/webrtc/tools/event_log_visualizer/main.cc
@@ -149,11 +149,11 @@ int main(int argc, char* argv[]) {
   }
 
   if (FLAGS_plot_all || FLAGS_plot_bwe) {
-    analyzer.CreateBweGraph(collection->AppendNewPlot());
+    analyzer.CreateBweSimulationGraph(collection->AppendNewPlot());
   }
 
   if (FLAGS_plot_all || FLAGS_plot_network_delay_feedback) {
-    analyzer.CreateNetworkDelayFeebackGraph(collection->AppendNewPlot());
+    analyzer.CreateNetworkDelayFeedbackGraph(collection->AppendNewPlot());
   }
 
   collection->Draw();