Index: ios/chrome/browser/net/metrics_network_client_unittest.mm |
diff --git a/ios/chrome/browser/net/metrics_network_client_unittest.mm b/ios/chrome/browser/net/metrics_network_client_unittest.mm |
index 01c543a4d680a2818102a0068f5a99720792b1df..ed93c28a46ee727fb47930457aea2409d0747a11 100644 |
--- a/ios/chrome/browser/net/metrics_network_client_unittest.mm |
+++ b/ios/chrome/browser/net/metrics_network_client_unittest.mm |
@@ -9,6 +9,10 @@ |
#include "net/base/net_errors.h" |
#include "testing/gtest/include/gtest/gtest.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
// Dummy client to be registered as underlying client for the |
// MetricsNetworkClient. |
@interface MetricsMockClient : CRNForwardingNetworkClient |