[DevTools] Apps implementation.

Source/devtools/front_end/ui/StatusBarButton.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 592 matching lines @@
         button.addEventListener("click", onClickBound, this);
         this._buttons.push(button);
     }
 
     this._currentStateSetting = currentStateSetting;
     this._lastStateSetting = lastStateSetting;
     this._stateChangedCallback = stateChangedCallback;
     this.setLongClickOptionsEnabled(this._createOptions.bind(this));
 
     this._currentState = null;
-    this.toggleState(this._defaultState());
 }
 
 WebInspector.StatusBarStatesSettingButton.prototype = {
     /**
      * @param {!WebInspector.Event} e
      */
     _onClick: function(e)
     {
         this.toggleState(e.target.state);
     },
@@ skipping 12 matching lines @@
         this._currentStateSetting.set(this._currentState);
 
         if (this._stateChangedCallback)
             this._stateChangedCallback(state);
 
         var defaultState = this._defaultState();
         this.state = defaultState;
         this.title = this._buttons[this._states.indexOf(defaultState)].title;
     },
 
+    toggleInitialState: function()
+    {
+        if (this._currentState === null)
+            this.toggleState(this._defaultState());
+    },
+
     /**
      * @return {string}
      */
     _defaultState: function()
     {
         // Not yet initialized - load from setting.
         if (!this._currentState) {
             var state = this._currentStateSetting.get();
             return this._states.indexOf(state) >= 0 ? state : this._states[0];
         }
@@ skipping 14 matching lines @@
         var options = [];
         for (var index = 0; index < this._states.length; index++) {
             if (this._states[index] !== this.state && this._states[index] !== this._currentState)
                 options.push(this._buttons[index]);
         }
         return options;
     },
 
     __proto__: WebInspector.StatusBarButton.prototype
 }