Typecheck JS files for chrome://extensions

chrome/browser/resources/extensions/extension_code.js

Index: chrome/browser/resources/extensions/extension_code.js
diff --git a/chrome/browser/resources/extensions/extension_code.js b/chrome/browser/resources/extensions/extension_code.js
index c22376b834dfb5f709087e369c918664e917c56f..c63b4edd381feb1f4c8d247a7e63360edd6a976f 100644
--- a/chrome/browser/resources/extensions/extension_code.js
+++ b/chrome/browser/resources/extensions/extension_code.js
@@ -2,12 +2,22 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+/**
+ * @typedef {{afterHighlight: string,
+ *            beforeHighlight: string,
+ *            highlight:string,

[Dan Beam, 2014/08/21 18:27:47]

space after :

[Vitaly Pavlenko, 2014/08/22 01:43:39]

Done.

+ *            title: string}}
+ */
+var ExtensionCodeObject;

[Dan Beam, 2014/08/21 18:27:47]

ExtensionHighlight

[Vitaly Pavlenko, 2014/08/22 01:43:39]

Done.

+
 cr.define('extensions', function() {
   'use strict';
 
   /**
    * ExtensionCode is an element which displays code in a styled div, and is
    * designed to highlight errors.
+   * @constructor
+   * @extends {HTMLDivElement}
    */
   function ExtensionCode(div) {
     div.__proto__ = ExtensionCode.prototype;
@@ -20,11 +30,10 @@ cr.define('extensions', function() {
     /**
      * Populate the content area of the code div with the given code. This will
      * highlight the erroneous section (if any).
-     * @param {Object} code An object with four strings: beforeHighlight,
-     *     afterHighlight, highlight, and the message. The 'highlight' strings
+     * @param {ExtensionCodeObject} code The 'highlight' strings

[Dan Beam, 2014/08/21 18:27:47]

wrap better

[Vitaly Pavlenko, 2014/08/22 01:43:39]

Done.

      *     represent the three portions of the file's content to display - the
      *     portion which is most relevant and should be emphasized (highlight),
-     *     and the parts both before and after this portion. The message is the
+     *     and the parts both before and after this portion. The title is the
      *     error message, which will be the mouseover hint for the highlighted
      *     region. These may be empty.
      *  @param {string} emptyMessage The message to display if the code