Unify logic of stack trace generation for extension errors

extensions/renderer/resources/platform_app.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var $console = window.console;
 
 /**
  * Returns a function that logs a 'not available' error to the console and
  * returns undefined.
  *
@@ skipping 10 matching lines @@
 
 /**
  * Returns a function that throws a 'not available' error.
  *
  * @param {string} messagePrefix text to prepend to the exception message.
  */
 function generateThrowingMethodStub(messagePrefix, opt_messageSuffix) {
   var message = messagePrefix + ' is not available in packaged apps.';
   if (opt_messageSuffix) message = message + ' ' + opt_messageSuffix;
   return function() {
-    throw new Error(message);
+    throw new $Error.self(message);

[not at google - send to devlin, 2014/08/19 16:45:56]

new Error()

   };
 }
 
 /**
  * Replaces the given methods of the passed in object with stubs that log
  * 'not available' errors to the console and return undefined.
  *
  * This should be used on methods attached via non-configurable properties,
  * such as window.alert. disableGetters should be used when possible, because
  * it is friendlier towards feature detection.
@@ skipping 156 matching lines @@
 
 // Disable onunload, onbeforeunload.
 disableSetters(Window.prototype, 'window', ['onbeforeunload', 'onunload']);
 var windowAddEventListener = Window.prototype.addEventListener;
 Window.prototype.addEventListener = function(type) {
   if (type === 'unload' || type === 'beforeunload')
     generateDisabledMethodStub(type)();
   else
     return $Function.apply(windowAddEventListener, window, arguments);
 };