--- old/src/java.desktop/windows/native/libawt/windows/awt_Component.h	2019-12-01 13:40:37.233912600 +0000
+++ new/src/java.desktop/windows/native/libawt/windows/awt_Component.h	2019-12-01 13:40:35.182558900 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, 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
@@ -923,10 +923,12 @@
     void            AddDCItem(DCItem *newItem);
     DCItem          *RemoveDC(HDC hDC, HWND hWnd);
     DCItem          *RemoveAllDCs(HWND hWnd);
+    DCItem          *RemoveAllDCs();
     void            RealizePalettes(int screen);
 };
 
 void ReleaseDCList(HWND hwnd, DCList &list);
+void ReleaseDCList(DCList &list);
 void MoveDCToPassiveList(HDC hDC, HWND hWnd);
 
 #include "ObjectList.h"