Get rid of WebInspector.TracingTimelineModel.Events.TracingComplete event

Source/devtools/front_end/timeline/TracingTimelineModel.js

Index: Source/devtools/front_end/timeline/TracingTimelineModel.js
diff --git a/Source/devtools/front_end/timeline/TracingTimelineModel.js b/Source/devtools/front_end/timeline/TracingTimelineModel.js
index c1a52072e7157330c8e6cd5bba5e4696af26264b..dcce680e9ada1cf7a0de44c176bb9596f6d74258 100644
--- a/Source/devtools/front_end/timeline/TracingTimelineModel.js
+++ b/Source/devtools/front_end/timeline/TracingTimelineModel.js
@@ -92,10 +92,6 @@ WebInspector.TracingTimelineModel.RecordType = {
     LayerTreeHostImplSnapshot: "cc::LayerTreeHostImpl"
 };
 
-WebInspector.TracingTimelineModel.Events = {
-    TracingComplete: "TracingComplete"
-};
-
 WebInspector.TracingTimelineModel.defaultTracingCategoryFilter = "*,disabled-by-default-cc.debug,disabled-by-default-devtools.timeline";
 
 WebInspector.TracingTimelineModel.prototype = {
@@ -169,7 +165,6 @@ WebInspector.TracingTimelineModel.prototype = {
         this._inspectedTargetEvents.sort(WebInspector.TracingModel.Event.compareStartTime);
 
         this._buildTimelineRecords();
-        this.dispatchEventToListeners(WebInspector.TracingTimelineModel.Events.TracingComplete);
         this.dispatchEventToListeners(WebInspector.TimelineModel.Events.RecordingStopped);
     },