DevTools: Fix all outstanding JavaScript style issues.

third_party/WebKit/Source/devtools/front_end/elements/ElementStatePaneWidget.js

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @extends {WebInspector.ElementsPanel.BaseToolbarPaneWidget}
  * @param {!WebInspector.ToolbarItem} toolbarItem
  */
 WebInspector.ElementStatePaneWidget = function(toolbarItem)
@@ skipping 71 matching lines @@
     {
         this.update();
     },
 
     /**
      * @override
      * @param {?WebInspector.DOMNode} newNode
      */
     onNodeChanged: function(newNode)
     {
-        this._updateTarget(newNode? newNode.target() : null);
+        this._updateTarget(newNode ? newNode.target() : null);
         this.update();
     },
 
     /**
      * @override
      * @return {!Promise.<?>}
      */
     doUpdate: function()
     {
         var node = WebInspector.context.flavor(WebInspector.DOMNode);
@@ skipping 45 matching lines @@
     },
 
     _nodeChanged: function()
     {
         var enabled = !!WebInspector.context.flavor(WebInspector.DOMNode);
         this._button.setEnabled(enabled);
         if (!enabled && this._button.toggled())
             WebInspector.ElementsPanel.instance().showToolbarPane(null);
     }
 }