(VikDataSourceInitFunc) datasource_google_init,
(VikDataSourceCheckExistenceFunc) NULL,
(VikDataSourceAddSetupWidgetsFunc) datasource_google_add_setup_widgets,
(VikDataSourceInitFunc) datasource_google_init,
(VikDataSourceCheckExistenceFunc) NULL,
(VikDataSourceAddSetupWidgetsFunc) datasource_google_add_setup_widgets,