[Devtools] isTrusted in CustomEvents shown twice in console

third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.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 960 matching lines @@
     var savedOwnProperties;
     var savedAccessorProperties;
     var savedInternalProperties;
     var resultCounter = 2;
 
     function processCallback()
     {
         if (--resultCounter)
             return;
         if (savedOwnProperties && savedAccessorProperties) {
-            var combinedList = savedAccessorProperties.slice(0);
+            var propertiesMap = new Map();
+            var propertySymbols = [];
+            for (var i = 0; i < savedAccessorProperties.length; i++) {
+                var property = savedAccessorProperties[i];
+                if (property.symbol)
+                    propertySymbols.push(property);
+                else
+                    propertiesMap.set(property.name, property);
+            }
             for (var i = 0; i < savedOwnProperties.length; i++) {
                 var property = savedOwnProperties[i];
-                if (!property.isAccessorProperty())
-                    combinedList.push(property);
+                if (property.isAccessorProperty())
+                    continue;
+                if (property.symbol)
+                    propertySymbols.push(property);
+                else
+                    propertiesMap.set(property.name, property);
             }
-            return callback(combinedList, savedInternalProperties ? savedInternalProperties : null);
+            return callback(propertiesMap.valuesArray().concat(propertySymbols), savedInternalProperties ? savedInternalProperties : null);
         } else {
             callback(null, null);
         }
     }
 
     /**
      * @param {?Array.<!WebInspector.RemoteObjectProperty>} properties
      * @param {?Array.<!WebInspector.RemoteObjectProperty>} internalProperties
      */
     function allAccessorPropertiesCallback(properties, internalProperties)
@@ skipping 648 matching lines @@
     {
         if (!this._cachedDescription) {
             var children = this._children();
             this._cachedDescription = "{" + this._formatValue(children[0].value) + " => " + this._formatValue(children[1].value) + "}";
         }
         return this._cachedDescription;
     },
 
     __proto__: WebInspector.LocalJSONObject.prototype
 }