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

chrome/browser/translate/translate_prefs.h

Index: chrome/browser/translate/translate_prefs.h
diff --git a/chrome/browser/translate/translate_prefs.h b/chrome/browser/translate/translate_prefs.h
index f78aa282fb06cb938d05483633714c6addf7c0db..fa78739156004d31d35744c37a15cf44fd5d1377 100644
--- a/chrome/browser/translate/translate_prefs.h
+++ b/chrome/browser/translate/translate_prefs.h
@@ -79,6 +79,12 @@ class TranslatePrefs {
   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,