Create a common base class for all the webdatas

chrome/browser/webdata/autofill_web_data_service_impl.cc

 // 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.
 
 #include "chrome/browser/webdata/autofill_web_data_service_impl.h"
 
 #include "base/logging.h"
 #include "chrome/browser/webdata/web_data_service.h"
 
 AutofillWebDataServiceImpl::AutofillWebDataServiceImpl(
@@ skipping 60 matching lines @@
 void AutofillWebDataServiceImpl::RemoveCreditCard(const std::string& guid) {
   service_->RemoveCreditCard(guid);
 }
 
 WebDataServiceBase::Handle
 AutofillWebDataServiceImpl::GetCreditCards(WebDataServiceConsumer* consumer) {
   return service_->GetCreditCards(consumer);
 }
 
 void AutofillWebDataServiceImpl::CancelRequest(Handle h) {
-  service_->CancelRequest(h);
+  return service_->CancelRequest(h);
 }
 
 content::NotificationSource
 AutofillWebDataServiceImpl::GetNotificationSource() {
   return service_->GetNotificationSource();
 }
+
+bool AutofillWebDataServiceImpl::IsDatabaseLoaded() {
+  return service_->IsDatabaseLoaded();
+}
+
+WebDatabase* AutofillWebDataServiceImpl::GetDatabase() {
+  return service_->GetDatabase();
+}