DevTools: Show frame rate on timeline events overview.

Source/devtools/front_end/main/Main.js

Index: Source/devtools/front_end/main/Main.js
diff --git a/Source/devtools/front_end/main/Main.js b/Source/devtools/front_end/main/Main.js
index 6ef894db76a357380f634a0295f825a42c319b8b..96835a4213948197e1fa8dbf88cb822a86b9c740 100644
--- a/Source/devtools/front_end/main/Main.js
+++ b/Source/devtools/front_end/main/Main.js
@@ -121,6 +121,7 @@ WebInspector.Main.prototype = {
         Runtime.experiments.register("externalDeviceList", "External device list", true);
         Runtime.experiments.register("fileSystemInspection", "FileSystem inspection");
         Runtime.experiments.register("filmStripInNetworkAndTimeline", "Filmstrip in Network and Timeline Panel", true);
+        Runtime.experiments.register("frameRateOnEventsOverview", "Frame rate on Timeline events overview", true);
         Runtime.experiments.register("gpuTimeline", "GPU data on timeline", true);
         Runtime.experiments.register("inputEventsOnTimelineOverview", "Input events on Timeline overview", true)
         Runtime.experiments.register("layersPanel", "Layers panel");