Hook up Autofill Backend interface to SyncableServices

components/webdata/common/web_data_service_backend.h

 // Copyright 2013 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_DATA_SERVICE_BACKEND_H_
 #define COMPONENTS_WEBDATA_COMMON_WEB_DATA_SERVICE_BACKEND_H_
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
@@ skipping 58 matching lines @@
   void DBReadTaskWrapper(
       const WebDatabaseService::ReadTask& task,
       scoped_ptr<WebDataRequest> request);
 
   const scoped_refptr<WebDataRequestManager>& request_manager() {
     return request_manager_;
   }
 
   WebDatabase* database() { return db_.get(); }
 
+  // Asynchronously gets a weak ptr to |db_|.
+  void GetDatabaseAsync(const WebDatabaseService::DBCallback& callback);
+
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::DB>;
   friend class base::DeleteHelper<WebDataServiceBackend>;
 
   virtual ~WebDataServiceBackend();
 
   // Commit the current transaction.
   void Commit();
 
@@ skipping 23 matching lines @@
   // fails), used to avoid continually trying to reinit if the db init fails.
   bool init_complete_;
 
   // Delegate. See the class definition above for more information.
   scoped_ptr<Delegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDataServiceBackend);
 };
 
 #endif  // COMPONENTS_WEBDATA_COMMON_WEB_DATA_SERVICE_BACKEND_H_