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-rw-r--r--chromeos/dbus/update_engine_client.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/chromeos/dbus/update_engine_client.h b/chromeos/dbus/update_engine_client.h
index 7d1692d..914094e 100644
--- a/chromeos/dbus/update_engine_client.h
+++ b/chromeos/dbus/update_engine_client.h
@@ -82,7 +82,7 @@ class CHROMEOS_EXPORT UpdateEngineClient {
typedef base::Callback<void(UpdateCheckResult)> UpdateCheckCallback;
// Requests an update check and calls |callback| when completed.
- virtual void RequestUpdateCheck(UpdateCheckCallback callback) = 0;
+ virtual void RequestUpdateCheck(const UpdateCheckCallback& callback) = 0;
// Reboots if update has been performed.
virtual void RebootAfterUpdate() = 0;
@@ -98,7 +98,7 @@ class CHROMEOS_EXPORT UpdateEngineClient {
// Requests to get the release track and calls |callback| with the
// release track (channel). On error, calls |callback| with an empty
// string.
- virtual void GetReleaseTrack(GetReleaseTrackCallback callback) = 0;
+ virtual void GetReleaseTrack(const GetReleaseTrackCallback& callback) = 0;
// Returns the last status the object received from the update engine.
//