test/java/awt/event/MouseEvent/CheckGetMaskForButton/CheckGetMaskForButton.java

rev 14031 : 8159690: [TESTBUG] Mark headful tests with @key headful.

Backport of 14851:980da45565c8 from jdk9.  542/842 hunks applied directly from
the patch. 44 I resolved manually.  The remaining hunks are for filenames that
do not exist in jdk8u.

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2016, 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.

@@ -21,10 +21,11 @@
  * questions.
  */
 
 /*
   @test %I% %E%
+  @key headful
   @bug 6315717
   @summary verifies that InputEvent.getMaskForButton() returns the same values as in InputEvent.BUTTON_DOWN_MASK
   @author Andrei Dmitriev : area=awt.event
   @run main CheckGetMaskForButton
 */