hg: jdk9/client/jdk: 8160248: Dragged internal frame leaves artifacts for floating point ui scale

[alexandr.scherbatiy at oracle.com]

Changeset: bcd1b111bb09
Author:    alexsch
Date:      2016-07-05 09:48 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/bcd1b111bb09

8160248: Dragged internal frame leaves artifacts for floating point ui scale
Reviewed-by: ssadetsky

! src/java.desktop/share/classes/javax/swing/JComponent.java
+ test/javax/swing/JInternalFrame/8160248/JInternalFrameDraggingTest.java