Translate: display alpha language name with (alpha) suffix

chrome/browser/translate/translate_manager.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_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 97 matching lines @@
   // translate to and from.
   static void GetSupportedLanguages(std::vector<std::string>* languages);
 
   // Returns the language code that can be used with the Translate method for a
   // specified |chrome_locale|.
   static std::string GetLanguageCode(const std::string& chrome_locale);
 
   // Returns true if |language| is supported by the translation server.
   static bool IsSupportedLanguage(const std::string& language);
 
+  // Returns true if |language| is supported by the translation server as a
+  // alpha language.
+  static bool IsAlphaLanguage(const std::string& language);
+
   // The observer class for TranslateManager.
   class Observer {
    public:
     virtual void OnLanguageDetection(
         const LanguageDetectionDetails& details) = 0;
     virtual void OnTranslateError(
         const TranslateErrorDetails& details) = 0;
   };
 
   // Adds/removes observer.
@@ skipping 103 matching lines @@
   // List of registered observers.
   ObserverList<Observer> observer_list_;
 
   // An instance of TranslateLanguageList which manages supported language list.
   scoped_ptr<TranslateLanguageList> language_list_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_