HTMLImportChild* HTMLImportsController::createChild(const KURL& url, HTMLImportLoader* loader, HTMLImport* parent, HTMLImportChildClient* client) { HTMLImport::SyncMode mode = client->isSync() && !makesCycle(parent, url) ? HTMLImport::Sync : HTMLImport::Async; if (mode == HTMLImport::Async) UseCounter::count(root()->document(), UseCounter::HTMLImportsAsyncAttribute); OwnPtrWillBeRawPtr<HTMLImportChild> child = adoptPtrWillBeNoop(new HTMLImportChild(url, loader, mode)); child->setClient(client); parent->appendImport(child.get()); loader->addImport(child.get()); return root()->add(child.release()); }