diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index ac390cb..97b56a2 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -95,6 +95,7 @@
     // isSecure indicates whether this display can be trusted to display
     // secure surfaces.
     bool isSecure() const;
+    void setSecure(bool secure);
 
     int getWidth() const;
     int getHeight() const;