--- /dev/null	2013-09-03 18:40:48.000000000 +0400
+++ new/src/share/classes/sun/awt/LightweightFramePeer.java	2013-09-03 18:40:48.000000000 +0400
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.awt;
+
+import java.awt.peer.FramePeer;
+
+/**
+ * An interface containing the methods common to all peers of the LightweightFrame
+ */
+public interface LightweightFramePeer extends FramePeer {
+
+    /**
+     * Sets this peer to be the window peer under mouse
+     */
+    void setLightWeightFrameUnderMouse();
+
+    /**
+     * Sets the window peer under mouse to null if the current value us equal to this peer
+     * @return true if the the window peer under mouse was successfully cleaned
+     */
+    boolean cleanLightWeightFrameUnderMouse();
+
+}