Sync user's custom spellcheck dictionary

chrome/renderer/spellchecker/spellcheck.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_RENDERER_SPELLCHECKER_SPELLCHECK_H_
 #define CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 48 matching lines @@
   // If the word is spelled correctly, the vector is empty.
   // If optional_suggestions is NULL, suggested words will not be looked up.
   // Note that Doing suggest lookups can be slow.
   bool SpellCheckWord(const char16* in_word,
                       int in_word_len,
                       int tag,
                       int* misspelling_start,
                       int* misspelling_len,
                       std::vector<string16>* optional_suggestions);
 
-  // SpellCheck a paragrpah.
+  // SpellCheck a paragraph.
   // Returns true if |text| is correctly spelled, false otherwise.
   // If the spellchecker failed to initialize, always returns true.
   bool SpellCheckParagraph(
       const string16& text,
       WebKit::WebVector<WebKit::WebTextCheckingResult>* results);
 
   // Find a possible correctly spelled word for a misspelled word. Computes an
   // empty string if input misspelled word is too long, there is ambiguity, or
   // the correct spelling cannot be determined.
   // NOTE: If using the platform spellchecker, this will send a *lot* of sync
@@ skipping 31 matching lines @@
   class SpellcheckRequest;
 
   // RenderProcessObserver implementation:
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Message handlers.
   void OnInit(IPC::PlatformFileForTransit bdict_file,
               const std::vector<std::string>& custom_words,
               const std::string& language,
               bool auto_spell_correct);
-  void OnWordAdded(const std::string& word);
-  void OnWordRemoved(const std::string& word);
+  void OnWordsAddedRemoved(
+      const std::vector<std::string>& words_added,
+      const std::vector<std::string>& words_removed);
   void OnEnableAutoSpellCorrect(bool enable);
   void OnEnableSpellCheck(bool enable);
 
   // If there is no dictionary file, then this requests one from the browser
   // and does not block. In this case it returns true.
   // If there is a dictionary file, but Hunspell has not been loaded, then
   // this loads Hunspell.
   // If Hunspell is already loaded, this does nothing. In both the latter cases
   // it returns false, meaning that it is OK to continue spellchecking.
   bool InitializeIfNeeded();
@@ skipping 48 matching lines @@
   // hunspell. (When WebKit sends two or more requests, we cancel the previous
   // requests so we do not have to use vectors.)
 #if !defined (OS_MACOSX)
   scoped_ptr<SpellcheckRequest> pending_request_param_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SpellCheck);
 };
 
 #endif  // CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_H_