diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index a8e00dd..77367db 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -3690,6 +3690,13 @@
             .setParent(mOverlayLayer);
     }
 
+    /**
+     * Reparents the given surface to mOverlayLayer.
+     */
+    void reparentToOverlay(Transaction transaction, SurfaceControl surface) {
+        transaction.reparent(surface, mOverlayLayer.getHandle());
+    }
+
     void applyMagnificationSpec(MagnificationSpec spec) {
         applyMagnificationSpec(getPendingTransaction(), spec);
         getPendingTransaction().apply();