Move divider detection and creation onto TimelineUIUtils instance

Source/devtools/front_end/timeline/TimelineView.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 117 matching lines @@
         var clientWidth = this._graphRowsElementWidth;
         var dividers = [];
         var eventDividerRecords = this._model.eventDividerRecords();
 
         for (var i = 0; i < eventDividerRecords.length; ++i) {
             var record = eventDividerRecords[i];
             var position = this._calculator.computePosition(record.startTime());
             var dividerPosition = Math.round(position);
             if (dividerPosition < 0 || dividerPosition >= clientWidth || dividers[dividerPosition])
                 continue;
-            var divider = WebInspector.TimelineUIUtils.createEventDivider(record.type(), WebInspector.TimelineUIUtils.recordTitle(record, this._model));
+            var divider = this._uiUtils.createEventDivider(record.type(), record.title());
             divider.style.left = dividerPosition + "px";
             dividers[dividerPosition] = divider;
         }
         this._timelineGrid.addEventDividers(dividers);
     },
 
     _updateFrameBars: function(frames)
     {
         var clientWidth = this._graphRowsElementWidth;
         if (this._frameContainer) {
@@ skipping 25 matching lines @@
             frameStrip._frame = frame;
             this._frameStripByFrame.put(frame, frameStrip);
 
             const minWidthForFrameInfo = 60;
             if (width > minWidthForFrameInfo)
                 frameStrip.textContent = Number.millisToString(frame.endTime - frame.startTime, true);
 
             this._frameContainer.appendChild(frameStrip);
 
             if (actualStart > 0) {
-                var frameMarker = WebInspector.TimelineUIUtils.createEventDivider(WebInspector.TimelineModel.RecordType.BeginFrame);
+                var frameMarker = this._uiUtils.createEventDivider(WebInspector.TimelineModel.RecordType.BeginFrame);
                 frameMarker.style.left = frameStart + "px";
                 dividers.push(frameMarker);
             }
         }
         this._timelineGrid.addEventDividers(dividers);
         this._headerElement.appendChild(this._frameContainer);
     },
 
     _onFrameDoubleClicked: function(event)
     {
@@ skipping 1099 matching lines @@
             this._element.classList.remove("hidden");
         } else
             this._element.classList.add("hidden");
     },
 
     _dispose: function()
     {
         this._element.remove();
     }
 }