diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 48a9bc5..846460d 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -1138,6 +1138,7 @@
     bool mIsAtRoot = false;
 
     uint32_t mLayerCreationFlags;
+    bool findInHierarchy(const sp<Layer>&);
 };
 
 std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate);