Hook up Autofill Backend interface to SyncableServices

components/webdata/common/web_database.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 COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_H_
 #define COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "components/webdata/common/web_database_table.h"
 #include "components/webdata/common/webdata_export.h"
 #include "sql/connection.h"
 #include "sql/init_status.h"
 #include "sql/meta_table.h"
 
 namespace base {
 class FilePath;
 }
 
@@ skipping 30 matching lines @@
   // managing the database.
   sql::InitStatus Init(const base::FilePath& db_name);
 
   // Transactions management
   void BeginTransaction();
   void CommitTransaction();
 
   // Exposed for testing only.
   sql::Connection* GetSQLConnection();
 
+  base::WeakPtr<WebDatabase> AsWeakPtr();
+
+ protected:
+  // All vended weak pointers are invalidated in dtor.
+  base::WeakPtrFactory<WebDatabase> weak_ptr_factory_;
+
  private:
   // Used by |Init()| to migration database schema from older versions to
   // current version.
   sql::InitStatus MigrateOldVersionsAsNeeded();
 
   sql::Connection db_;
   sql::MetaTable meta_table_;
 
   // Map of all the different tables that have been added to this
   // object. Non-owning.
   typedef std::map<WebDatabaseTable::TypeKey, WebDatabaseTable*> TableMap;
   TableMap tables_;
 
   scoped_ptr<content::NotificationService> notification_service_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDatabase);
 };
 
 #endif  // COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_H_