DevTools: merge TracingTimelineUIUtils into TimelineUIUtils

LayoutTests/http/tests/inspector/timeline-test.js

 var initialize_Timeline = function() {
 
 InspectorTest.preloadPanel("timeline");
 
 // Scrub values when printing out these properties in the record or data field.
 InspectorTest.timelinePropertyFormatters = {
     children: "formatAsTypeName",
     endTime: "formatAsTypeName",
     requestId: "formatAsTypeName",
     startTime: "formatAsTypeName",
@@ skipping 37 matching lines @@
 InspectorTest.timelineModel = function()
 {
     return WebInspector.panels.timeline._model;
 }
 
 InspectorTest.timelineFrameModel = function()
 {
     return WebInspector.panels.timeline._frameModel();
 }
 
-InspectorTest.timelineUIUtils = function()
-{
-    return WebInspector.panels.timeline._uiUtils;
-}
-
 InspectorTest.startTimeline = function(callback)
 {
     var panel = WebInspector.panels.timeline;
     function onRecordingStarted()
     {
         panel._model.removeEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this)
         callback();
     }
     panel._model.addEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this)
     panel.toggleTimelineButton.element.click();
@@ skipping 106 matching lines @@
 {
     if (typeof level !== "number")
         level = 0;
     var message = "";
     for (var i = 0; i < level ; ++i)
         message = "----" + message;
     if (level > 0)
         message = message + "> ";
     if (record.type() === WebInspector.TimelineModel.RecordType.TimeStamp
         || record.type() === WebInspector.TimelineModel.RecordType.ConsoleTime) {
-        message += InspectorTest.timelineUIUtils().titleForRecord(record);
+        message += WebInspector.TimelineUIUtils.titleForRecord(record);
     } else  {
         message += record.type();
     }
     if (detailsCallback)
         message += " " + detailsCallback(record);
     InspectorTest.addResult(message);
 
     var children = record.children();
     var numChildren = children.length;
     for (var i = 0; i < numChildren; ++i) {
@@ skipping 29 matching lines @@
     for (var i = 0; i < level ; ++i)
         message = "----" + message;
     if (level > 0)
         message = message + "> ";
     if (!record) {
         message += "Root";
     } else if (presentationRecord.coalesced()) {
         message += record.type() + " x " + presentationRecord.presentationChildren().length;
     } else if (record.type() === WebInspector.TimelineModel.RecordType.TimeStamp
         || record.type() === WebInspector.TimelineModel.RecordType.ConsoleTime) {
-        message += InspectorTest.timelineUIUtils().titleForRecord(record);
+        message += WebInspector.TimelineUIUtils.titleForRecord(record);
     } else {
         message += record.type();
     }
     if (detailsCallback)
         message += " " + detailsCallback(presentationRecord);
     InspectorTest.addResult(message);
 
     var numChildren = presentationRecord.presentationChildren() ? presentationRecord.presentationChildren().length : 0;
     for (var i = 0; i < numChildren; ++i) {
         if (filterTypes && filterTypes.indexOf(presentationRecord.presentationChildren()[i].record().type()) == -1)
@@ skipping 116 matching lines @@
         return this._fileSize;
     },
 
     fileName: function()
     {
         return "fakeFile";
     }
 };
 
 };