Bug fix: Append a language to the list after blocking it for Translate on Chrome OS

chrome/browser/translate/translate_prefs.h

 // Copyright (c) 2010 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_TRANSLATE_TRANSLATE_PREFS_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 61 matching lines @@
   void IncrementTranslationDeniedCount(const std::string& language);
   void ResetTranslationDeniedCount(const std::string& language);
 
   // These methods are used to track how many times the user has accepted the
   // translation for a specific language. (So we can present a UI to white-list
   // that language if the user keeps accepting translations).
   int GetTranslationAcceptedCount(const std::string& language);
   void IncrementTranslationAcceptedCount(const std::string& language);
   void ResetTranslationAcceptedCount(const std::string& language);
 
+  // Returns the language list of chrome://settings/languages.
+  void GetLanguageList(std::vector<std::string>* languages);
+
+  // Updates the language list of chrome://settings/languages.
+  void UpdateLanguageList(const std::vector<std::string>& languages);
+
   static bool CanTranslateLanguage(
       Profile* profile, const std::string& language);
   static bool ShouldAutoTranslate(PrefService* user_prefs,
       const std::string& original_language, std::string* target_language);
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
   static void MigrateUserPrefs(PrefService* user_prefs);
 
  private:
   friend class TranslatePrefsTest;
   FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest, CreateBlockedLanguages);
@@ skipping 23 matching lines @@
   // Retrieves the dictionary mapping the number of times translation has been
   // accepted for a language, creating it if necessary.
   base::DictionaryValue* GetTranslationAcceptedCountDictionary() const;
 
   PrefService* prefs_;  // Weak.
 
   DISALLOW_COPY_AND_ASSIGN(TranslatePrefs);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_PREFS_H_