Show all object property symbols after all its property names.

Source/devtools/front_end/components/ObjectPropertiesSection.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 120 matching lines @@
  * @return {number}
  */
 WebInspector.ObjectPropertiesSection.CompareProperties = function(propertyA, propertyB)
 {
     var a = propertyA.name;
     var b = propertyB.name;
     if (a === "__proto__")
         return 1;
     if (b === "__proto__")
         return -1;
+    if (propertyA.symbol && !propertyB.symbol)
+        return 1;
+    if (propertyB.symbol && !propertyA.symbol)
+        return -1;
     return String.naturalOrderComparator(a, b);
 }
 
 /**
  * @constructor
  * @extends {TreeElement}
  * @param {!WebInspector.RemoteObjectProperty} property
  */
 WebInspector.ObjectPropertyTreeElement = function(property)
 {
@@ skipping 844 matching lines @@
 {
     WebInspector.TextPrompt.call(this, WebInspector.ExecutionContextSelector.completionsForTextPromptInCurrentContext);
     this.setSuggestBoxEnabled(true);
     if (renderAsBlock)
         this.renderAsBlock();
 }
 
 WebInspector.ObjectPropertyPrompt.prototype = {
     __proto__: WebInspector.TextPrompt.prototype
 }