Index: net/dns/dns_config_watcher_mac.h |
diff --git a/net/dns/dns_config_watcher_mac.h b/net/dns/dns_config_watcher_mac.h |
index d3e9924626c7b9d1c8904817c2148f163e3593be..3ff44d908beecfd0d614992c661e2b88b26a9dcc 100644 |
--- a/net/dns/dns_config_watcher_mac.h |
+++ b/net/dns/dns_config_watcher_mac.h |
@@ -2,6 +2,9 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+#ifndef NET_DNS_DNS_CONFIG_WATCHER_MAC_H_ |
+#define NET_DNS_DNS_CONFIG_WATCHER_MAC_H_ |
+ |
#include "base/callback_forward.h" |
#include "net/dns/dns_config_service_posix.h" |
#include "net/dns/notify_watcher_mac.h" |
@@ -24,3 +27,5 @@ class DnsConfigWatcher { |
} // namespace internal |
} // namespace net |
+ |
+#endif // NET_DNS_DNS_CONFIG_WATCHER_MAC_H_ |