OnExtensionGalleriesHostEmpty  809 chrome/browser/media_galleries/media_file_system_registry.cc         base::Bind(&MediaFileSystemRegistry::OnExtensionGalleriesHostEmpty,
OnExtensionGalleriesHostEmpty  128 chrome/browser/media_galleries/media_file_system_registry.h   void OnExtensionGalleriesHostEmpty(Profile* profile,