DevTools: reformat front-end code to match chromium style.

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

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.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 131 matching lines @@
     },
 
     /**
      * @return {symbol}
      */
     treeElementSymbol: function()
     {
         return this._treeElementSymbol;
     },
 
+    /**
+     * @override
+     */
     focus: function()
     {
         this._element.focus();
     },
 
     /**
      * @param {boolean} wrap
      */
     setWordWrap: function(wrap)
     {
@@ skipping 1587 matching lines @@
 
 WebInspector.ElementsTreeOutline.ShortcutTreeElement.prototype = {
     /**
      * @return {boolean}
      */
     get hovered()
     {
         return this._hovered;
     },
 
+    /**
+     * @param {boolean} x
+     */
     set hovered(x)
     {
         if (this._hovered === x)
             return;
         this._hovered = x;
         this.listItemElement.classList.toggle("hovered", x);
     },
 
     /**
      * @return {number}
@@ skipping 23 matching lines @@
             if (node) {
                 this.treeOutline._selectedDOMNode = node;
                 this.treeOutline._selectedNodeChanged();
             }
         }
         return true;
     },
 
     __proto__: TreeElement.prototype
 };