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diff --git a/tools/addon-sdk-1.4/packages/api-utils/lib/cortex.js b/tools/addon-sdk-1.4/packages/api-utils/lib/cortex.js
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--- a/tools/addon-sdk-1.4/packages/api-utils/lib/cortex.js
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@@ -1,139 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Initial Developer of the Original Code is Mozilla.
- * Portions created by the Initial Developer are Copyright (C) 2010
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Irakli Gozalishvili <gozala@mozilla.com> (Original author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-"use strict";
-
-// `var` is being used in the module in order to make it reusable in
-// environments in which `let` and `const` is not yet supported.
-
-// Returns `object`'s property value, where `name` is a name of the property.
-function get(object, name) {
-  return object[name];
-}
-
-// Assigns `value` to the `object`'s property, where `name` is the name of the
-// property.
-function set(object, name, value) {
-  return object[name] = value;
-}
-
-/**
- * Given an `object` containing a property with the given `name`, create
- * a property descriptor that can be used to define alias/proxy properties
- * on other objects.  A change in the value of an alias will propagate
- * to the aliased property and vice versa.
- */
-function createAliasProperty(object, name) {
-  // Getting own property descriptor of an `object` for the given `name` as
-  // we are going to create proxy analog.
-  var property = Object.getOwnPropertyDescriptor(object, name);
-  var descriptor = {
-    configurable: property.configurable,
-    enumerable: property.enumerable,
-    alias: true
-  };
-
-  // If the original property has a getter and/or setter, bind a
-  // corresponding getter/setter in the alias descriptor to the original
-  // object, so the `this` object in the getter/setter is the original object
-  // rather than the alias.
-  if ("get" in property && property.get)
-    descriptor.get = property.get.bind(object);
-  if ("set" in property && property.set)
-    descriptor.set = property.set.bind(object);
-  
-  // If original property was a value property.
-  if ("value" in property) {
-    // If original property is a method using it's `object` bounded copy.
-    if (typeof property.value === "function") {
-      descriptor.value = property.value.bind(object);
-      // Also preserving writability of the original property.
-      descriptor.writable = property.writable;
-    }
-
-    // If the original property was just a data property, we create proxy
-    // accessors using our custom get/set functions to propagate changes to the
-    // original `object` and vice versa.
-    else {
-      descriptor.get = get.bind(null, object, name);
-      descriptor.set = set.bind(null, object, name);
-    }
-  }
-  return descriptor;
-}
-
-// Defines property on `object` object with a name `alias` if given if not
-// defaults to `name` that represents an alias of `source[name]`. If aliased
-// property was an assessor or a method `this` pseudo-variable will be `source`
-// when invoked. If aliased property was a data property changes on any of the
-// aliases will propagate to the `source[name]` and also other way round.
-function defineAlias(source, target, name, alias) {
-  return Object.defineProperty(target, alias || name,
-                               createAliasProperty(source, name));
-}
-
-/**
- * Function takes any `object` and returns a proxy for its own public
- * properties. By default properties are considered to be public if they don't
- * start with `"_"`, but default behavior can be overridden if needed, by
- * passing array of public property `names` as a second argument. By default
- * returned object will be direct decedent of the given `object`'s prototype,
- * but this can be overridden by passing third optional argument, that will be
- * used as `prototype` instead.
- * @param {Object} object
- *    Object to create cortex for.
- * @param {String[]} [names]
- *    Optional array of public property names.
- * @param {Object} [prototype]
- *    Optional argument that will be used as `prototype` of the returned object,
- *    if not provided `Object.getPrototypeOf(object)` is used instead.
- */
-exports.Cortex = function Cortex(object, names, prototype) {
-  // Creating a cortex object from the given `prototype`, if one was not
-  // provided then `prototype` of a given `object` is used. This allows
-  // consumer to define expected behavior `instanceof`. In common case
-  // `prototype` argument can be omitted to preserve same behavior of
-  // `instanceof` as on original `object`.
-  var cortex = Object.create(prototype || Object.getPrototypeOf(object));
-  // Creating alias properties on the `cortex` object for all the own
-  // properties of the original `object` that are contained in `names` array.
-  // If `names` array is not provided then all the properties that don't
-  // start with `"_"` are aliased.
-  Object.getOwnPropertyNames(object).forEach(function (name) {
-    if ((!names && "_" !== name.charAt(0)) || (names && ~names.indexOf(name)))
-      defineAlias(object, cortex, name);
-  });
-  return cortex;
-}