DevTools: move tracing based Timeline out of experiment

LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt

Index: LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt
diff --git a/LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt b/LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt
index ad02459ab40e247ca778bfba73052f3688926eaf..5ae0e6a2a34422e26c3ac9fead7a966db92f39ee 100644
--- a/LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt
+++ b/LayoutTests/inspector/timeline/timeline-event-dispatch-expected.txt
@@ -3,12 +3,51 @@ Tests the Timeline API instrumentation of a DOM Dispatch (mousedown)
 Test Mouse Target
 EventDispatch Properties:
 {
+    data : {
+        type : "mouseover"
+    }
+    endTime : <number>
+    startTime : <number>
+    thread : <string>
+    type : "EventDispatch"
+}
+EventDispatch Properties:
+{
+    data : {
+        type : "mousemove"
+    }
+    endTime : <number>
+    startTime : <number>
+    thread : <string>
+    type : "EventDispatch"
+}
+EventDispatch Properties:
+{
     children : <object>
     data : {
         type : "mousedown"
     }
     endTime : <number>
-    frameId : <string>
+    startTime : <number>
+    thread : <string>
+    type : "EventDispatch"
+}
+EventDispatch Properties:
+{
+    data : {
+        type : "selectstart"
+    }
+    endTime : <number>
+    startTime : <number>
+    thread : <string>
+    type : "EventDispatch"
+}
+EventDispatch Properties:
+{
+    data : {
+        type : "selectionchange"
+    }
+    endTime : <number>
     startTime : <number>
     thread : <string>
     type : "EventDispatch"