DevTools: move JS sampling Timeline out of experimental

Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 152 matching lines @@
         if (InspectorFrontendHost.isUnderTest()) {
             // Enable experiments for testing.
             var testPath = WebInspector.settings.testPath.get();
             if (testPath.indexOf("timeline/") !== -1 || testPath.indexOf("layers/") !== -1)
                 Runtime.experiments.enableForTest("layersPanel");
             if (testPath.indexOf("tracing/") !== -1)
                 Runtime.experiments.enableForTest("timelineOnTraceEvents");
             if (testPath.indexOf("documentation/") !== -1)
                 Runtime.experiments.enableForTest("documentation");
         } else {
-            Runtime.experiments.setDefaultExperiments(["timelineOnTraceEvents"]);
+            Runtime.experiments.setDefaultExperiments(["timelineOnTraceEvents", "timelineJSCPUProfile"]);
         }
     },
 
     _createAppUI: function()
     {
         console.timeStamp("Main._createApp");
 
         WebInspector.installPortStyles();
         if (Runtime.queryParam("toolbarColor") && Runtime.queryParam("textColor"))
             WebInspector.setToolbarColors(Runtime.queryParam("toolbarColor"), Runtime.queryParam("textColor"));
@@ skipping 683 matching lines @@
     /**
      * @param {!WebInspector.Event} event
      */
     _inspectNode: function(event)
     {
         WebInspector.Revealer.reveal(/** @type {!WebInspector.DOMNode} */ (event.data));
     }
 }
 
 new WebInspector.Main();