Timeline: do not cache TimelineView

Source/devtools/front_end/timeline/TimelinePanel.js

 /*
  * Copyright (C) 2012 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 202 matching lines @@
     {
         if (!this._lazyFrameModel) {
             var tracingFrameModel = new WebInspector.TracingTimelineFrameModel();
             tracingFrameModel.addTraceEvents(this._model.target(), this._model.inspectedTargetEvents(), this._tracingModel.sessionId() || "");
             this._lazyFrameModel = tracingFrameModel;
         }
         return this._lazyFrameModel;
     },
 
     /**
-     * @return {!WebInspector.TimelineView}
-     */
-    _timelineView: function()
-    {
-        if (!this._lazyTimelineView)
-            this._lazyTimelineView = new WebInspector.TimelineView(this, this._model);
-        return this._lazyTimelineView;
-    },
-
-    /**
      * @return {!WebInspector.View}
      */
     _layersView: function()
     {
         if (this._lazyLayersView)
             return this._lazyLayersView;
         this._lazyLayersView = new WebInspector.TimelineLayersView();
         this._lazyLayersView.setTimelineModelAndDelegate(this._model, this);
         return this._lazyLayersView;
     },
@@ skipping 358 matching lines @@
         if (this._flameChartEnabledSetting.get()) {
             this._filterBar.filterButton().setEnabled(false);
             this._filtersContainer.classList.toggle("hidden", true);
             this._flameChart = new WebInspector.TimelineFlameChartView(this, this._model, this._frameModel());
             this._flameChart.enableNetworkPane(this._captureNetworkSetting.get());
             this._addModeView(this._flameChart);
         } else {
             this._flameChart = null;
             this._filterBar.filterButton().setEnabled(true);
             this._filtersContainer.classList.toggle("hidden", !this._filterBar.filtersToggled());
-            this._addModeView(this._timelineView());
+            var timelineView = new WebInspector.TimelineView(this, this._model)
+            this._addModeView(timelineView);
+            timelineView.setFrameModel(isFrameMode ? this._frameModel() : null);
         }
 
         if (this._captureMemorySetting.get()) {
             if (!isFrameMode)  // Frame mode skews time, don't render aux overviews.
                 this._overviewControls.push(new WebInspector.TimelineMemoryOverview(this._model));
             this._addModeView(new WebInspector.MemoryCountersGraph(this, this._model));
         }
 
         var mainTarget = WebInspector.targetManager.mainTarget();
-        if (this._lazyTimelineView)
-            this._lazyTimelineView.setFrameModel(isFrameMode ? this._frameModel() : null);
-
         this._overviewPane.setOverviewControls(this._overviewControls);
         this.doResize();
         this._selection = null;
         this._updateSelectionDetails();
 
         this._stackView.show(this._searchableView.element);
     },
 
     _onNetworkChanged: function()
     {
@@ skipping 1124 matching lines @@
      * @override
      * @param {string} value
      */
     handleQueryParam: function(value)
     {
         WebInspector.TimelinePanel.show();
         WebInspector.TimelinePanel.instance()._loadFromURL(value);
     }
 }