Sync user's custom spellcheck dictionary

chrome/renderer/spellchecker/spelling_engine.h

Index: chrome/renderer/spellchecker/spelling_engine.h
diff --git a/chrome/renderer/spellchecker/spelling_engine.h b/chrome/renderer/spellchecker/spelling_engine.h
index b3b030cf7548767b638628714705b52870f14a83..28e27d2648583da8c8e0a5624579e57d8333725d 100644
--- a/chrome/renderer/spellchecker/spelling_engine.h
+++ b/chrome/renderer/spellchecker/spelling_engine.h
@@ -26,10 +26,12 @@ class SpellingEngine {
   virtual bool InitializeIfNeeded() = 0;
   virtual bool IsEnabled() = 0;
   virtual bool CheckSpelling(const string16& word_to_check, int tag) = 0;
-  virtual void FillSuggestionList(const string16& wrong_word,
-                          std::vector<string16>* optional_suggestions) = 0;
-  virtual void OnWordAdded(const std::string& word) = 0;
-  virtual void OnWordRemoved(const std::string& word) = 0;
+  virtual void FillSuggestionList(
+      const string16& wrong_word,
+      std::vector<string16>* optional_suggestions) = 0;
+  virtual void OnWordsAddedRemoved(
+      const std::vector<std::string>& words_added,
+      const std::vector<std::string>& words_removed) = 0;
 };
 
 #endif  // CHROME_RENDERER_SPELLCHECKER_SPELLING_ENGINE_H_