Refactor notifications of chrome/browser/webdata

chrome/browser/api/webdata/web_data_service_base.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_API_WEBDATA_WEB_DATA_SERVICE_BASE_H_
 #define CHROME_BROWSER_API_WEBDATA_WEB_DATA_SERVICE_BASE_H_
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
@@ skipping 101 matching lines @@
     virtual ~SupportsUserDataAggregatable() {}
    private:
     DISALLOW_COPY_AND_ASSIGN(SupportsUserDataAggregatable);
   };
 
   // Storage for user data to be accessed only on the DB thread. May
   // be used e.g. for SyncableService subclasses that need to be owned
   // by this object. Is created on first call to |GetDBUserData()|.
   scoped_ptr<SupportsUserDataAggregatable> db_thread_user_data_;
 
+  // Called after database is successfully loaded. By default this function does
+  // nothing. Subclasses can override to support notification.
+  virtual void NotifyDatabaseLoadedOnUIThread();
+
   void DBInitFailed(sql::InitStatus sql_status);
-  void NotifyDatabaseLoadedOnUIThread();
+  void DBInitSucceeded();
   void DatabaseInitOnDB(sql::InitStatus status);
 };
 
 #endif  // CHROME_BROWSER_API_WEBDATA_WEB_DATA_SERVICE_BASE_H_