Remove some of timeline experiments

Source/devtools/front_end/common/Settings.js

 /*
  * Copyright (C) 2009 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 280 matching lines @@
     this.canvasInspection = this._createExperiment("canvasInspection ", "Canvas inspection");
     this.devicesPanel = this._createExperiment("devicesPanel", "Devices panel");
     this.disableAgentsWhenProfile = this._createExperiment("disableAgentsWhenProfile", "Disable other agents and UI when profiler is active", true);
     this.dockToLeft = this._createExperiment("dockToLeft", "Dock to left", true);
     this.editorInDrawer = this._createExperiment("showEditorInDrawer", "Editor in drawer", true);
     this.fileSystemInspection = this._createExperiment("fileSystemInspection", "FileSystem inspection");
     this.frameworksDebuggingSupport = this._createExperiment("frameworksDebuggingSupport", "JavaScript frameworks debugging");
     this.gpuTimeline = this._createExperiment("gpuTimeline", "GPU data on timeline", true);
     this.heapSnapshotStatistics = this._createExperiment("heapSnapshotStatistics", "Heap snapshot statistics", true);
     this.layersPanel = this._createExperiment("layersPanel", "Layers panel", true);
-    this.timelineFlameChart = this._createExperiment("timelineFlameChart", "Timeline flame chart");
     this.timelineOnTraceEvents = this._createExperiment("timelineOnTraceEvents", "Timeline on trace events", true);
     this.timelinePowerProfiler = this._createExperiment("timelinePowerProfiler", "Timeline power profiler");
-    this.timelineTracingMode = this._createExperiment("timelineTracingMode", "Timeline tracing mode");
     this.timelineJSCPUProfile = this._createExperiment("timelineJSCPUProfile", "Timeline with JS sampling");
     this.timelineNoLiveUpdate = this._createExperiment("timelineNoLiveUpdate", "Timeline w/o live update", true);
     this.workersInMainWindow = this._createExperiment("workersInMainWindow", "Workers in main window", true);
 
     this._cleanUpSetting();
 }
 
 WebInspector.ExperimentsSettings.prototype = {
     /**
      * @return {!Array.<!WebInspector.Experiment>}
@@ skipping 418 matching lines @@
 
     _fireChangedIfNeeded: function()
     {
         var newValue = this._calculateValue();
         if (newValue === this._value)
             return;
         this._value = newValue;
         this._eventSupport.dispatchEventToListeners(this._name, this._value);
     }
 }