DevTools: Avoid private member access in non-profiler code

Source/devtools/front_end/ui/SidebarTreeElement.js

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 40 matching lines @@
         if (this._smallChildren === x)
             return;
 
         this._smallChildren = x;
 
         this._childrenListNode.classList.toggle("small", this._smallChildren);
     },
 
     onattach: function()
     {
-        this._listItemNode.classList.add("sidebar-tree-section");
+        this.listItemElement.classList.add("sidebar-tree-section");
     },
 
     onreveal: function()
     {
         if (this.listItemElement)
             this.listItemElement.scrollIntoViewIfNeeded(false);
     },
 
     __proto__: TreeElement.prototype
 }
@@ skipping 32 matching lines @@
 
 WebInspector.SidebarTreeElement.prototype = {
     get small()
     {
         return this._small;
     },
 
     set small(x)
     {
         this._small = x;
-        if (this._listItemNode)
-            this._listItemNode.classList.toggle("small", this._small);
+        if (this.listItemElement)
+            this.listItemElement.classList.toggle("small", this._small);
     },
 
     get mainTitle()
     {
         return this._mainTitle;
     },
 
     set mainTitle(x)
     {
         this._mainTitle = x;
         this.refreshTitles();
     },
 
     get subtitle()
     {
         return this._subtitle;
     },
 
     set subtitle(x)
     {
         this._subtitle = x;
         this.refreshTitles();
     },
 
     set wait(x)
     {
-        this._listItemNode.classList.toggle("wait", x);
+        this.listItemElement.classList.toggle("wait", x);
     },
 
     refreshTitles: function()
     {
         var mainTitle = this.mainTitle;
         if (this.titleElement.textContent !== mainTitle)
             this.titleElement.textContent = mainTitle;
 
         var subtitle = this.subtitle;
         if (subtitle) {
             if (this.subtitleElement.textContent !== subtitle)
                 this.subtitleElement.textContent = subtitle;
             this.titlesElement.classList.remove("no-subtitle");
         } else {
             this.subtitleElement.textContent = "";
             this.titlesElement.classList.add("no-subtitle");
         }
     },
 
     /**
      * @return {boolean}
      */
     isEventWithinDisclosureTriangle: function(event)
     {
         return event.target === this.disclosureButton;
     },
 
     onattach: function()
     {
-        this._listItemNode.classList.add("sidebar-tree-item");
+        this.listItemElement.classList.add("sidebar-tree-item");
 
         if (this.className)
-            this._listItemNode.classList.add(this.className);
+            this.listItemElement.classList.add(this.className);
 
         if (this.small)
-            this._listItemNode.classList.add("small");
+            this.listItemElement.classList.add("small");
 
         if (this.hasChildren && this.disclosureButton)
-            this._listItemNode.appendChild(this.disclosureButton);
+            this.listItemElement.appendChild(this.disclosureButton);
 
-        this._listItemNode.appendChild(this.iconElement);
-        this._listItemNode.appendChild(this.statusElement);
-        this._listItemNode.appendChild(this.titlesElement);
+        this.listItemElement.appendChild(this.iconElement);
+        this.listItemElement.appendChild(this.statusElement);
+        this.listItemElement.appendChild(this.titlesElement);
     },
 
     onreveal: function()
     {
-        if (this._listItemNode)
-            this._listItemNode.scrollIntoViewIfNeeded(false);
+        if (this.listItemElement)
+            this.listItemElement.scrollIntoViewIfNeeded(false);
     },
 
     __proto__: TreeElement.prototype
 }