Random clean up around Chrome OS file manager code.

ui/file_manager/video_player/js/error_util.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.
 
 'use strict';
 
 /**
  * This variable is checked in SelectFileDialogExtensionBrowserTest.
  * @type {number}
  */
@@ skipping 19 matching lines @@
   var liveStack = (new Error('Stack trace before async call')).stack;
   if (thisObject === undefined)
     thisObject = null;
   var boundArguments = Array.prototype.slice.call(arguments, 1);
 
   return function wrappedCallback(var_args) {
     try {
       var args = boundArguments.concat(Array.prototype.slice.call(arguments));
       return func.apply(thisObject, args);
     } catch (e) {
-      // Some async funcrtion doesn't handle exception correctly. So outputing
+      // Some async function doesn't handle exception correctly. So outputting
       // the exception message and stack trace just in case.
       // The message will show twice if the caller handles exception correctly.
       console.error(e.stack);
       console.info('Exception above happened in callback.', liveStack);
 
       window.JSErrorCount++;
       throw e;
     }
   }
 };