hg: jdk/client: 8172269: When checking the default behaviour for a scroll tab layout and checking the 'opaque' checkbox, the area behind tabs is not red

[prasanta.sadhukhan at oracle.com]

Changeset: 94b1c5e6a889
Author:    psadhukhan
Date:      2020-05-06 14:02 +0530
URL:       https://hg.openjdk.java.net/jdk/client/rev/94b1c5e6a889

8172269: When checking the default behaviour for a scroll tab layout and checking the 'opaque' checkbox, the area behind tabs is not red
Reviewed-by: serb

! src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTabbedPaneUI.java
+ test/jdk/javax/swing/JTabbedPane/TestBackgroundScrollPolicy.java