Added and replaced some UMAs

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 95 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 shown as a candidate in the inforbar.

[Takashi Toyoshima, 2013/05/21 11:11:43]

This description looks vague.
"If infobar can display a name for |language| in current UI locale" or
something?

[hajimehoshi, 2013/05/22 04:19:27]

Done.

+  static bool IsAvailableLanguage(const std::string& language);
+
   // static const values shared with our browser tests.
   static const char kLanguageListCallbackName[];
   static const char kTargetLanguagesKey[];
  protected:
   TranslateManager();
 
  private:
   friend struct DefaultSingletonTraits<TranslateManager>;
 
   // Structure that describes a translate request.
@@ skipping 96 matching lines @@
   // server.
   std::vector<PendingRequest> pending_requests_;
 
   // The languages supported by the translation server.
   static base::LazyInstance<std::set<std::string> > supported_languages_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_