Fix some grammar in chrome/browser/resources/

chrome/browser/resources/options2/language_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.
 
 // TODO(kochi): Generalize the notification as a component and put it
 // in js/cr/ui/notification.js .
 
 cr.define('options', function() {
   /** @const */ var OptionsPage = options.OptionsPage;
   /** @const */ var LanguageList = options.LanguageList;
@@ skipping 565 matching lines @@
         $('language-options-list').addLanguage(String(selection.value));
         OptionsPage.closeOverlay();
       }
     },
 
     /**
      * Checks if languageCode is deletable or not.
      * @param {String} languageCode the languageCode to check for deletability.
      */
     languageIsDeletable: function(languageCode) {
-      // Don't allow removing the language if it's as UI language.
+      // Don't allow removing the language if it's a UI language.
       if (languageCode == templateData.prospectiveUiLanguageCode)
         return false;
       return (!cr.isChromeOS ||
               this.canDeleteLanguage_(languageCode));
     },
 
     /**
      * Handles browse.enable_spellchecking change.
      * @param {Event} e Change event.
      * @private
@@ skipping 248 matching lines @@
     // only take effect after restart.
     showMutuallyExclusiveNodes([$('language-options-ui-language-button'),
                                 $('language-options-ui-notification-bar')], 1);
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 });