--- old/src/macosx/classes/sun/lwawt/PlatformWindow.java	2012-08-24 17:11:21.000000000 +0400
+++ new/src/macosx/classes/sun/lwawt/PlatformWindow.java	2012-08-24 17:11:21.000000000 +0400
@@ -118,6 +118,8 @@
 
     public void setAlwaysOnTop(boolean value);
 
+    public PlatformWindow getTopmostPlatformWindowUnderMouse();
+
     public void updateFocusableWindowState();
 
     public boolean rejectFocusRequest(CausedFocusEvent.Cause cause);