diff --git a/services/surfaceflinger/Client.h b/services/surfaceflinger/Client.h
index f64be3a..9462f1a 100644
--- a/services/surfaceflinger/Client.h
+++ b/services/surfaceflinger/Client.h
@@ -50,17 +50,18 @@
     virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
                                    uint32_t flags, const sp<IBinder>& parent,
                                    LayerMetadata metadata, sp<IBinder>* handle,
-                                   sp<IGraphicBufferProducer>* gbp,
+                                   sp<IGraphicBufferProducer>* gbp, int32_t* outId,
                                    uint32_t* outTransformHint = nullptr);
 
     virtual status_t createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
                                              PixelFormat format, uint32_t flags,
                                              const sp<IGraphicBufferProducer>& parent,
                                              LayerMetadata metadata, sp<IBinder>* handle,
-                                             sp<IGraphicBufferProducer>* gbp,
+                                             sp<IGraphicBufferProducer>* gbp, int32_t* outId,
                                              uint32_t* outTransformHint = nullptr);
 
-    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* handle);
+    status_t mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* handle,
+                           int32_t* outId);
 
     virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const;