diff --git a/services/surfaceflinger/SurfaceTracing.h b/services/surfaceflinger/SurfaceTracing.h
index 15a503d..d4cf6f3 100644
--- a/services/surfaceflinger/SurfaceTracing.h
+++ b/services/surfaceflinger/SurfaceTracing.h
@@ -73,6 +73,7 @@
     };
     void setTraceFlags(uint32_t flags) { mConfig.flags = flags; }
     bool flagIsSet(uint32_t flags) { return (mConfig.flags & flags) == flags; }
+    static LayersTraceFileProto createLayersTraceFileProto();
 
 private:
     class Runner;