Index: base/prefs/pref_observer.h |
diff --git a/base/prefs/pref_observer.h b/base/prefs/pref_observer.h |
index 93a0454bf3c6186143d214ce9440ec429d469682..099106de9dd5a76d7a17928f2a2d6bcf27641568 100644 |
--- a/base/prefs/pref_observer.h |
+++ b/base/prefs/pref_observer.h |
@@ -14,6 +14,9 @@ class PrefObserver { |
public: |
virtual void OnPreferenceChanged(PrefServiceBase* service, |
const std::string& pref_name) = 0; |
+ |
+ protected: |
+ virtual ~PrefObserver() { } |
}; |
#endif // BASE_PREFS_PREF_OBSERVER_H_ |