[8u] Request for approval for 8158734: JEditorPane.createEditorKitForContentType throws NPE after 6882559

[mikhail cherkasov]

Hi all,

Could you please approve a direct backport from jdk9 to jdk8:
Bug:https://bugs.openjdk.java.net/browse/JDK-8158734
jdk9 review: 
http://mail.openjdk.java.net/pipermail/swing-dev/2016-June/006050.html
jdk9 changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/f8acbd06989a
8u webrev:http://cr.openjdk.java.net/~mcherkas/8158734/8/webrev/

Thanks,
Mikhail.