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-rw-r--r--net/base/dns_resolution_observer.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/base/dns_resolution_observer.h b/net/base/dns_resolution_observer.h
index 3873d8b..1fd3c74 100644
--- a/net/base/dns_resolution_observer.h
+++ b/net/base/dns_resolution_observer.h
@@ -10,8 +10,8 @@
// Remove'd during process termination.
-#ifndef NET_BASE_DNS_RESOLUTION_OBSERVER_H__
-#define NET_BASE_DNS_RESOLUTION_OBSERVER_H__
+#ifndef NET_BASE_DNS_RESOLUTION_OBSERVER_H_
+#define NET_BASE_DNS_RESOLUTION_OBSERVER_H_
#include <string>
@@ -19,6 +19,8 @@ namespace net {
class DnsResolutionObserver {
public:
+ virtual ~DnsResolutionObserver() {}
+
// For each OnStartResolution() notification, there should be a later
// OnFinishResolutionWithStatus() indicating completion of the resolution
// activity.
@@ -51,8 +53,7 @@ DnsResolutionObserver* RemoveDnsResolutionObserver();
// to any registered observer.
void DidStartDnsResolution(const std::string& name, void* context);
void DidFinishDnsResolutionWithStatus(bool was_resolved, void* context);
-
} // namspace net
-#endif // NET_BASE_DNS_RESOLUTION_OBSERVER_H__
+#endif // NET_BASE_DNS_RESOLUTION_OBSERVER_H_