UnregisterDownloadedTempFile 1242 content/browser/loader/resource_dispatcher_host_impl.cc   UnregisterDownloadedTempFile(filter_->child_id(), request_id);
UnregisterDownloadedTempFile  190 content/browser/loader/resource_dispatcher_host_impl.h   void UnregisterDownloadedTempFile(int child_id, int request_id);