[CacheStorage] Simpler way to wrap callbacks to run pending operation completions

content/browser/background_sync/background_sync_manager.h

Index: content/browser/background_sync/background_sync_manager.h
diff --git a/content/browser/background_sync/background_sync_manager.h b/content/browser/background_sync/background_sync_manager.h
index 9b8b77396bc2bb8008316f1740d83fd5a9a68697..52391a20f5b05b7063f4cbe804c4e747bdbe7e9e 100644
--- a/content/browser/background_sync/background_sync_manager.h
+++ b/content/browser/background_sync/background_sync_manager.h
@@ -285,26 +285,7 @@ class CONTENT_EXPORT BackgroundSyncManager
   void SetMaxSyncAttemptsImpl(int max_sync_attempts,
                               const base::Closure& callback);
 
-  // Operation Scheduling callback and convenience functions.
-  template <typename CallbackT, typename... Params>
-  void CompleteOperationCallback(const CallbackT& callback,
-                                 Params... parameters);
-  void CompleteStatusAndRegistrationCallback(
-      StatusAndRegistrationCallback callback,
-      BackgroundSyncStatus status,
-      std::unique_ptr<BackgroundSyncRegistration> registration);
-  void CompleteStatusAndRegistrationsCallback(
-      StatusAndRegistrationsCallback callback,
-      BackgroundSyncStatus status,
-      std::unique_ptr<ScopedVector<BackgroundSyncRegistration>> registrations);
   base::Closure MakeEmptyCompletion();
-  base::Closure MakeClosureCompletion(const base::Closure& callback);
-  StatusAndRegistrationCallback MakeStatusAndRegistrationCompletion(
-      const StatusAndRegistrationCallback& callback);
-  StatusAndRegistrationsCallback MakeStatusAndRegistrationsCompletion(
-      const StatusAndRegistrationsCallback& callback);
-  BackgroundSyncManager::StatusCallback MakeStatusCompletion(
-      const StatusCallback& callback);
 
   SWIdToRegistrationsMap active_registrations_;
   CacheStorageScheduler op_scheduler_;