Fetch incremental updates. Store new state in V4Store.

components/safe_browsing_db/v4_local_database_manager.h

 // Copyright 2016 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 COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_
 #define COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_
 
 // A class that provides the interface between the SafeBrowsing protocol manager
 // and database that holds the downloaded updates.
 
@@ skipping 54 matching lines @@
   void UpdateRequestCompleted(const std::vector<ListUpdateResponse>& responses);
 
   void SetupUpdateProtocolManager(
       net::URLRequestContextGetter* request_context_getter,
       const V4ProtocolConfig& config);
 
   void SetupDatabase();
 
   void DatabaseReady(std::unique_ptr<V4Database> v4_database);
 
-  void OnCloseDatabase();
+  void PopulateStoreFileNameMap(StoreFileNameMap* store_file_name_map);
+
+  // At the end of ApplyUpdate method, the V4Database class calls back
+  // DatabaseUpdated which schedules the next update request.
+  void DatabaseUpdated();
 
   // The base directory under which to create the files that contain hashes.
   const base::FilePath base_path_;
 
   // Whether the service is running.
   bool enabled_;
 
   // Stores the current status of the lists to download from the SafeBrowsing
   // servers.
   // TODO(vakh): current_list_states_ doesn't really belong here.
@@ skipping 10 matching lines @@
   // The sequenced task runner for running safe browsing database operations.
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   friend class base::RefCountedThreadSafe<V4LocalDatabaseManager>;
   DISALLOW_COPY_AND_ASSIGN(V4LocalDatabaseManager);
 };  // class V4LocalDatabaseManager
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_