DevTools: align more status bar button usages.

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 352 matching lines @@
     /**
      * @param {?function():!Array.<!WebInspector.StatusBarButton>} buttonsProvider
      */
     setLongClickOptionsEnabled: function(buttonsProvider)
     {
         if (buttonsProvider) {
             if (!this._longClickOptionsData) {
                 this.makeLongClickEnabled();
 
                 this.longClickGlyph = this.element.createChild("div", "fill long-click-glyph");
-                this.longClickGlyphShadow = this.element.createChild("div", "fill long-click-glyph shadow");
 
                 var longClickDownListener = this._showOptions.bind(this);
                 this.addEventListener("longClickDown", longClickDownListener, this);
 
                 this._longClickOptionsData = {
                     glyphElement: this.longClickGlyph,
-                    glyphShadowElement: this.longClickGlyphShadow,
                     longClickDownListener: longClickDownListener
                 };
             }
             this._longClickOptionsData.buttonsProvider = buttonsProvider;
         } else {
             if (!this._longClickOptionsData)
                 return;
             this.element.removeChild(this._longClickOptionsData.glyphElement);
-            this.element.removeChild(this._longClickOptionsData.glyphShadowElement);
 
             this.removeEventListener("longClickDown", this._longClickOptionsData.longClickDownListener, this);
             delete this._longClickOptionsData;
 
             this.unmakeLongClickEnabled();
         }
     },
 
     _showOptions: function()
     {
@@ skipping 90 matching lines @@
     {
         this.element.style.backgroundImage = "url(" + iconURL + ")";
         this._glyphElement.classList.add("hidden");
     },
 
     __proto__: WebInspector.StatusBarButtonBase.prototype
 }
 
 /**
  * @constructor
- * @param {!Element} parentElement
+ * @param {!Element=} parentElement
  */
 WebInspector.StatusBar = function(parentElement)
 {
     /** @type {!Array.<!WebInspector.StatusBarItem>} */
     this._items = [];
-    this.element = parentElement.createChild("div", "status-bar");
+    this.element = parentElement ? parentElement.createChild("div", "status-bar") : createElementWithClass("div", "status-bar");
 }
 
 WebInspector.StatusBar.prototype = {
     /**
      * @param {boolean} enabled
      */
     setEnabled: function(enabled)
     {
         for (var item of this._items)
             item.setEnabled(enabled);
@@ skipping 298 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
 }