Fix typo "contols"

chrome/common/extensions/docs/examples/api/fontSettings/options.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.
 
 'use strict';
 
 /**
  * @fileoverview The Advanced Font Settings Extension implementation.
  */
 
@@ skipping 200 matching lines @@
  * @const
  */
 advancedFonts.pendingChanges = new PendingChanges();
 
 /**
  * Map from |genericFamily| to UI controls and data for its font setting.
  */
 advancedFonts.fontSettings = null;
 
 /**
- * Map from |fontSizeKey| to UI contols and data for its font size setting.
+ * Map from |fontSizeKey| to UI controls and data for its font size setting.
  */
 advancedFonts.fontSizeSettings = null;
 
 /**
  * Gets the font size used for |fontSizeKey|, including pending changes. Calls
  * |callback| with the result.
  *
  * @param {string} fontSizeKey The font size setting key. See
  *     PendingChanges.getFontSize().
  * @param {function(number, boolean)} callback The callback of form
@@ skipping 527 matching lines @@
   advancedFonts.useSystemFont();
 
   advancedFonts.initFontControls();
   advancedFonts.initFontSizeControls();
   advancedFonts.initScriptList();
 
   advancedFonts.initApplyAndResetButtons();
 };
 
 document.addEventListener('DOMContentLoaded', advancedFonts.init);