hg: jdk9/client/jdk: 8163193: Metal L&F gradient is lighter on HiDPI display after the fix JDK-8143064

[alexandr.scherbatiy at oracle.com]

Changeset: 9c4ef5048871
Author:    alexsch
Date:      2016-08-31 11:13 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/9c4ef5048871

8163193: Metal L&F gradient is lighter on HiDPI display after the fix JDK-8143064
Reviewed-by: serb, ssadetsky

! src/java.desktop/share/classes/sun/swing/CachedPainter.java
+ test/javax/swing/plaf/metal/MetalGradient/8163193/ButtonGradientTest.java