Typecheck JS files for chrome://help before doing import transition

ui/webui/resources/js/cr.js

 // Copyright (c) 2012 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.
 
 <include src="assert.js">
 
 /**
  * The global object.
  * @type {!Object}
  * @const
@@ skipping 111 matching lines @@
     return function() {};
   }
 
   /**
    * Helper function for defineProperty that returns the setter of the right
    * kind.
    * @param {string} name The name of the property we are defining the setter
    *     for.
    * @param {PropertyKind} kind The kind of property we are getting the
    *     setter for.
-   * @param {function():void=} opt_setHook A function to run after the property
-   *     is set, but before the propertyChange event is fired.
+   * @param {function(*, *):void=} opt_setHook A function to run after the

[Dan Beam, 2014/08/06 16:06:59]

this is fixed here: https://chromiumcodereview.appspot.com/405743002/

[Vitaly Pavlenko, 2014/08/07 18:18:13]

This file is removed in my Patch Set #6.

+   *     property is set, but before the propertyChange event is fired.
    * @return {function(*):void} The function to use as a setter.
    */
   function getSetter(name, kind, opt_setHook) {
     switch (kind) {
       case PropertyKind.JS:
         var privateName = name + '_';
         return function(value) {
           var oldValue = this[name];
           if (value !== oldValue) {
             this[privateName] = value;
@@ skipping 209 matching lines @@
     PropertyKind: PropertyKind
   };
 })();
 
 
 /**
  * TODO(kgr): Move this to another file which is to be loaded last.
  * This will be done as part of future work to make this code pre-compilable.
  */
 cr.initialize();