Show dictionary changes in chrome://settings/editDictionary as changes come in

chrome/browser/resources/options/language_dictionary_overlay.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.
 
 cr.define('options', function() {
   /** @const */ var DictionaryWordsList =
       options.dictionary_words.DictionaryWordsList;
   /** @const */ var OptionsPage = options.OptionsPage;
 
   /**
@@ skipping 79 matching lines @@
         this.noMatchesLabel_.hidden = true;
         this.wordList_.classList.remove('no-search-matches');
       }
     },
   };
 
   EditDictionaryOverlay.setWordList = function(entries) {
     EditDictionaryOverlay.getInstance().wordList_.setWordList(entries);
   };
 
+  EditDictionaryOverlay.updateWords = function(add_words, remove_words) {
+    EditDictionaryOverlay.getInstance().wordList_.addWords(add_words);
+    EditDictionaryOverlay.getInstance().wordList_.removeWords(remove_words);
+  };
+
   EditDictionaryOverlay.getWordListForTesting = function() {
     return EditDictionaryOverlay.getInstance().wordList_;
   };
 
   return {
     EditDictionaryOverlay: EditDictionaryOverlay
   };
 });