Review Request: RT-34077 [Graphics, Swing] JFXPanel with WebView in JDK

[Petr Pchelko]

Hello, OpenJFX community.

Please review the fix for the issue: 
https://javafx-jira.kenai.com/browse/RT-34077
The webrev is available at: http://cr.openjdk.java.net/~pchelko/fx/34077/webrev/

Thank you.
With best regards. Petr.