Eliminate TranslateManager listening to //chrome-level notifications.

chrome/browser/translate/translate_manager.h

 // Copyright 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 <string>
 #include <vector>
 
 #include "base/callback_list.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "components/translate/core/common/translate_errors.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class GURL;
-struct PageTranslatedDetails;
 class PrefService;
 class TranslateClient;
 class TranslateDriver;
 struct TranslateErrorDetails;
 class TranslateTabHelper;
 
 namespace content {
 class WebContents;
 }
 
@@ skipping 30 matching lines @@
   static std::string GetAutoTargetLanguage(const std::string& original_language,
                                            PrefService* prefs);
 
   // Translates the page contents from |source_lang| to |target_lang|.
   // The actual translation might be performed asynchronously if the translate
   // script is not yet available.
   void TranslatePage(const std::string& source_lang,
                      const std::string& target_lang,
                      bool triggered_from_menu);
 
+  // Starts the translation process for a page in the |page_lang| language.
+  void InitiateTranslation(const std::string& page_lang);
+
+  // Shows the after translate or error infobar depending on the details.
+  void PageTranslated(const std::string& source_lang,
+                      const std::string& target_lang,
+                      TranslateErrors::Type error_type);
+
   // Reverts the contents of the page to its original language.
   void RevertTranslation();
 
   // Reports to the Google translate server that a page language was incorrectly
   // detected.  This call is initiated by the user selecting the "report" menu
   // under options in the translate infobar.
   void ReportLanguageDetectionError();
 
   // content::NotificationObserver implementation:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Number of attempts before waiting for a page to be fully reloaded.
   void set_translate_max_reload_attemps(int attempts) {
     max_reload_check_attempts_ = attempts;
   }
 
   // Callback types for translate errors.
   typedef base::Callback<void(const TranslateErrorDetails&)>
       TranslateErrorCallback;
   typedef base::CallbackList<void(const TranslateErrorDetails&)>
       TranslateErrorCallbackList;
 
   // Registers a callback for translate errors.
   static scoped_ptr<TranslateErrorCallbackList::Subscription>
       RegisterTranslateErrorCallback(const TranslateErrorCallback& callback);
 
  private:
-  // Starts the translation process for a page in the |page_lang| language.
-  void InitiateTranslation(const std::string& page_lang);
 
   // Initiates translation once the page is finished loading.
   void InitiateTranslationPosted(const std::string& page_lang, int attempt);
 
   // Sends a translation request to the RenderView.
   void DoTranslatePage(const std::string& translate_script,
                        const std::string& source_lang,
                        const std::string& target_lang);
 
-  // Shows the after translate or error infobar depending on the details.
-  void PageTranslated(PageTranslatedDetails* details);
-
   // Called when the Translate script has been fetched.
   // Initiates the translation.
   void OnTranslateScriptFetchComplete(int page_id,
                                       const std::string& source_lang,
                                       const std::string& target_lang,
                                       bool success,
                                       const std::string& data);
 
   content::NotificationRegistrar notification_registrar_;
 
   // Max number of attempts before checking if a page has been reloaded.
   int max_reload_check_attempts_;
 
   // Preference name for the Accept-Languages HTTP header.
   std::string accept_languages_pref_name_;
 
   // TODO(droger): Remove all uses of |translate_tab_helper_|, use
   // TranslateClient and TranslateDriver instead.
   TranslateTabHelper* translate_tab_helper_;  // Weak.
   TranslateClient* translate_client_;         // Weak.
   TranslateDriver* translate_driver_;  // Weak.
 
   base::WeakPtrFactory<TranslateManager> weak_method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_