Translate: Remove the legacy pref 'translate_language_blacklist'

components/translate/core/browser/translate_prefs.h

 // Copyright 2014 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 COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 81 matching lines @@
   std::string GetCountry() const;
 
   // Resets the blocked languages list, the sites blacklist, the languages
   // whitelist, and the accepted/denied counts.
   void ResetToDefaults();
 
   bool IsBlockedLanguage(const std::string& original_language) const;
   void BlockLanguage(const std::string& original_language);
   void UnblockLanguage(const std::string& original_language);
 
-  // Removes a language from the old blacklist. Only used internally for
-  // diagnostics. Don't use this if there is no special reason.
-  void RemoveLanguageFromLegacyBlacklist(const std::string& original_language);
-
   bool IsSiteBlacklisted(const std::string& site) const;
   void BlacklistSite(const std::string& site);
   void RemoveSiteFromBlacklist(const std::string& site);
 
   bool HasWhitelistedLanguagePairs() const;
 
   bool IsLanguagePairWhitelisted(const std::string& original_language,
                                  const std::string& target_language);
   void WhitelistLanguagePair(const std::string& original_language,
                              const std::string& target_language);
@@ skipping 44 matching lines @@
   bool CanTranslateLanguage(TranslateAcceptLanguages* accept_languages,
                             const std::string& language);
   bool ShouldAutoTranslate(const std::string& original_language,
                            std::string* target_language);
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
   static void MigrateUserPrefs(PrefService* user_prefs,
                                const char* accept_languages_pref);
 
  private:
   friend class TranslatePrefsTest;
-  FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest, CreateBlockedLanguages);
-  FRIEND_TEST_ALL_PREFIXES(TranslatePrefsTest,
-                           CreateBlockedLanguagesNonEnglishUI);
 
   // Merges two language sets to migrate to the language setting UI.
   static void CreateBlockedLanguages(
       std::vector<std::string>* blocked_languages,
       const std::vector<std::string>& blacklisted_languages,
       const std::vector<std::string>& accept_languages);
 
   void ClearBlockedLanguages();
   void ClearBlacklistedSites();
   void ClearWhitelistedLanguagePairs();
@@ skipping 24 matching lines @@
   PrefService* prefs_;  // Weak.
 
   std::string country_;  // The country the app runs in.
 
   DISALLOW_COPY_AND_ASSIGN(TranslatePrefs);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_PREFS_H_