Sync user's custom spellcheck dictionary

chrome/browser/ui/webui/options/language_dictionary_overlay_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
 
 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 namespace options {
 
 class LanguageDictionaryOverlayHandler
     : public OptionsPageUIHandler,
       public SpellcheckCustomDictionary::Observer {
  public:
   LanguageDictionaryOverlayHandler();
   virtual ~LanguageDictionaryOverlayHandler();
 
   // Overridden from OptionsPageUIHandler:
   virtual void GetLocalizedValues(
       base::DictionaryValue* localized_strings) OVERRIDE;
   virtual void InitializeHandler() OVERRIDE;
   virtual void InitializePage() OVERRIDE;
   virtual void RegisterMessages() OVERRIDE;
   virtual void Uninitialize() OVERRIDE;
 
   // Overridden from SpellcheckCustomDictionary::Observer:
   virtual void OnCustomDictionaryLoaded() OVERRIDE;
-  virtual void OnCustomDictionaryWordAdded(const std::string& word) OVERRIDE;
-  virtual void OnCustomDictionaryWordRemoved(const std::string& word) OVERRIDE;
+  virtual void OnCustomDictionaryChanged(
+      const SpellcheckCustomDictionary::Change& dictionary_change) OVERRIDE;
 
  private:
   // Sends the dictionary words to WebUI.
   void ResetDictionaryWords();
 
   // Refreshes the displayed words. Called from WebUI.
   void RefreshWords(const base::ListValue* args);
 
   // Adds a new word to the dictionary. Called from WebUI.
   void AddWord(const base::ListValue* args);
 
   // Removes a word from the dictionary. Called from WebUI.
   void RemoveWord(const base::ListValue* args);
 
   // Whether the overlay is initialized and ready to show data.
   bool overlay_initialized_;
 
   // The custom spelling dictionary. Used for adding, removing, and reading
   // words in custom dictionary file.
   SpellcheckCustomDictionary* dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(LanguageDictionaryOverlayHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_