[DevTools] Remove remaining usages of global properties.

Source/devtools/front_end/timeline/TracingTimelineUIUtils.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @extends {WebInspector.TimelineUIUtils}
  */
 WebInspector.TracingTimelineUIUtils = function()
 {
@@ skipping 775 matching lines @@
         title = WebInspector.UIString("Style invalidations");
         break;
     case WebInspector.TracingTimelineModel.RecordType.LayoutInvalidationTracking:
         title = WebInspector.UIString("Layout invalidations");
         break;
     default:
         title = WebInspector.UIString("Other invalidations");
         break;
     }
 
-    var detailsNode = document.createElement("div");
-    detailsNode.className = "timeline-details-view-row";
+    var detailsNode = createElementWithClass("div", "timeline-details-view-row");
     var titleElement = detailsNode.createChild("span", "timeline-details-view-row-title");
     titleElement.textContent = WebInspector.UIString("%s: ", title);
     var eventsList = detailsNode.createChild("ol");
     invalidationEvents.forEach(appendInvalidations);
 
     contentHelper.element.appendChild(detailsNode);
 
 
     function appendInvalidations(invalidation, index)
     {
@@ skipping 176 matching lines @@
     return result;
 }
 
 /**
  * @return {!WebInspector.TracingTimelineModel.Filter}
  */
 WebInspector.TracingTimelineUIUtils.hiddenEventsFilter = function()
 {
     return new WebInspector.TracingTimelineModel.InclusiveEventNameFilter(WebInspector.TracingTimelineUIUtils._visibleTypes());
 }