diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index 220869c..1371932 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -580,8 +580,11 @@
      * Called when layout of the windows is finished.  After this function has
      * returned, all windows given to layoutWindow() <em>must</em> have had a
      * frame assigned.
+     *  
+     * @return Return true if layout state may have changed (so that another 
+     *         layout will be performed).
      */
-    public void finishLayoutLw();
+    public boolean finishLayoutLw();
 
     /**
      * Called when animation of the windows is about to start.