Editing the custom spelling dictionary

chrome/browser/resources/options/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 72 matching lines @@
         // the URL hash (ex. lang_add=ja).  Used for automated testing.
         var match = document.location.hash.match(/\blang_add=([\w-]+)/);
         if (match) {
           var addLanguageCode = match[1];
           $('language-options-list').addLanguage(addLanguageCode);
         } else {
           OptionsPage.navigateToPage('addLanguage');
         }
       };
 
+      // Set up the button for editing custom spelling dictionary.
+      var editDictionaryButton = $('edit-dictionary');
+      if (editDictionaryButton) {
+        editDictionaryButton.onclick = function(e) {
+          OptionsPage.navigateToPage('dictionary');
+        };
+      }
+
       if (cr.isChromeOS) {
         // Listen to user clicks on the add language list.
         var addLanguageList = $('add-language-overlay-language-list');
         addLanguageList.addEventListener(
             'click',
             this.handleAddLanguageListClick_.bind(this));
         $('language-options-extension-ime-button').addEventListener(
             'click',
             this.handleExtensionImeButtonClick_.bind(this));
       } else {
@@ skipping 583 matching lines @@
 
     /**
      * Handles browse.enable_spellchecking change.
      * @param {Event} e Change event.
      * @private
      */
      updateEnableSpellCheck_: function() {
        var value = !$('enable-spell-check').checked;
 
        $('language-options-spell-check-language-button').disabled = value;
+       $('edit-dictionary').hidden = value;
      },
 
     /**
      * Handles spellCheckDictionaryPref change.
      * @param {Event} e Change event.
      * @private
      */
     handleSpellCheckDictionaryPrefChange_: function(e) {
       var languageCode = e.value.value;
       this.spellCheckDictionary_ = languageCode;
@@ skipping 281 matching lines @@
     // only take effect after restart.
     showMutuallyExclusiveNodes([$('language-options-ui-language-button'),
                                 $('language-options-ui-notification-bar')], 1);
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 });