Introduce TracingTimelineModel

LayoutTests/inspector/timeline/trace-event-self-time.html

Index: LayoutTests/inspector/timeline/trace-event-self-time.html
diff --git a/LayoutTests/inspector/timeline/trace-event-self-time.html b/LayoutTests/inspector/timeline/trace-event-self-time.html
index ddd5c1ec850940d06b93cccaab2f86d052b1b230..517a879918a766e20bff106b29aee5c24c2c1775 100644
--- a/LayoutTests/inspector/timeline/trace-event-self-time.html
+++ b/LayoutTests/inspector/timeline/trace-event-self-time.html
@@ -189,12 +189,13 @@ function test()
     ];
 
     var model = new WebInspector.TracingModel();
+    var tracineTimelineModel = new WebInspector.TracingTimelineModel(model);
+    tracineTimelineModel.willStartRecordingTraceEvents();
     model.setSessionIdForTest(sessionId);
     model._eventsCollected(rawTraceEvents);
     model._tracingComplete();
-    var events = model.inspectedTargetEvents();
-    var bindings = new WebInspector.TimelineTraceEventBindings();
-    bindings.setEvents(events);
+    tracineTimelineModel.didStopRecordingTraceEvents();
+    var events = tracineTimelineModel.inspectedTargetEvents();
     InspectorTest.assertEquals(8, events.length);
     var eventTimes = events.map(function(e)
     {