[DevTools] Add Toolbox page to undocked DevTools frontend.

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 659 matching lines @@
      */
     _clearBreakpointsWhenTooMany: function(breakpointsSetting, maxBreakpointsCount)
     {
         // If there are too many breakpoints in a storage, it is likely due to a recent bug that caused
         // periodical breakpoints duplication leading to inspector slowness.
         if (breakpointsSetting.get().length > maxBreakpointsCount)
             breakpointsSetting.set([]);
     }
 }
 
-WebInspector.settings = new WebInspector.Settings();
-WebInspector.experimentsSettings = new WebInspector.ExperimentsSettings(WebInspector.queryParam("experiments") !== null);
+/**
+ * @type {!WebInspector.Settings}
+ */
+WebInspector.settings;
+
+/**
+ * @type {!WebInspector.ExperimentsSettings}
+ */
+WebInspector.experimentsSettings;
 
 // These methods are added for backwards compatibility with Devtools CodeSchool extension.
 // DO NOT REMOVE
 
 /**
  * @constructor
  */
 WebInspector.PauseOnExceptionStateSetting = function()
 {
     WebInspector.settings.pauseOnExceptionEnabled.addChangeListener(this._enabledChanged, this);
@@ skipping 55 matching lines @@
 
     _fireChangedIfNeeded: function()
     {
         var newValue = this._calculateValue();
         if (newValue === this._value)
             return;
         this._value = newValue;
         this._eventSupport.dispatchEventToListeners(this._name, this._value);
     }
 }
-
-WebInspector.settings.pauseOnExceptionStateString = new WebInspector.PauseOnExceptionStateSetting();