diff --git a/services/surfaceflinger/Client.h b/services/surfaceflinger/Client.h
index 2a9825c..7328c22 100644
--- a/services/surfaceflinger/Client.h
+++ b/services/surfaceflinger/Client.h
@@ -38,8 +38,9 @@
 class Client : public BnSurfaceComposerClient
 {
 public:
-        explicit Client(const sp<SurfaceFlinger>& flinger);
-        ~Client();
+    explicit Client(const sp<SurfaceFlinger>& flinger);
+    Client(const sp<SurfaceFlinger>& flinger, const sp<Layer>& parentLayer);
+    ~Client();
 
     status_t initCheck() const;
 
@@ -50,6 +51,8 @@
 
     sp<Layer> getLayerUser(const sp<IBinder>& handle) const;
 
+    void setParentLayer(const sp<Layer>& parentLayer);
+
 private:
     // ISurfaceComposerClient interface
     virtual status_t createSurface(
@@ -76,6 +79,8 @@
     // protected by mLock
     DefaultKeyedVector< wp<IBinder>, wp<Layer> > mLayers;
 
+    wp<Layer> mParentLayer;
+
     // thread-safe
     mutable Mutex mLock;
 };