Index: chromeos/dbus/update_engine_client.h |
diff --git a/chromeos/dbus/update_engine_client.h b/chromeos/dbus/update_engine_client.h |
index def8cb5db051bb92ff5189dbe5d37acdc07fe081..c92ddca8c35a7508de98f4ef430734a28949058d 100644 |
--- a/chromeos/dbus/update_engine_client.h |
+++ b/chromeos/dbus/update_engine_client.h |
@@ -75,7 +75,7 @@ class CHROMEOS_EXPORT UpdateEngineClient : public DBusClient { |
virtual void AddObserver(Observer* observer) = 0; |
virtual void RemoveObserver(Observer* observer) = 0; |
// Returns true if this object has the given observer. |
- virtual bool HasObserver(Observer* observer) = 0; |
+ virtual bool HasObserver(const Observer* observer) const = 0; |
// Called once RequestUpdateCheck() is complete. Takes one parameter: |
// - UpdateCheckResult: the result of the update check. |