diff --git a/samplecode/SampleApp.h b/samplecode/SampleApp.h
index eb49236..e587e1f 100644
--- a/samplecode/SampleApp.h
+++ b/samplecode/SampleApp.h
@@ -198,6 +198,7 @@
     void postAnimatingEvent();
     void installDrawFilter(SkCanvas*);
     int findByTitle(const char*);
+    void listTitles();
 
     typedef SkOSWindow INHERITED;
 };