.   std::unique_ptr<LogDnsClient::AuditProofQuery> query0;   net::TestCompletionCallback callback0;   ASSERT_THAT(log_client->QueryAuditProof("ct.test", kLeafHashes[0], 000000,                                           &query0, callback0.callback()),               IsError(net::ERR_IO_PENDING));    std::unique_ptr<LogDnsClient::AuditProofQuery> query0;   net::TestCompletionCallback callback0;   ASSERT_THAT(log_client->QueryAuditProof("ct.test", kLeafHashes[0], 000000,                                           &query0, callback0.callback()),               IsError(net::ERR_