Review request for 8166776: Add HelloWebView with navigation and stop button

[Viplove Paliwal]

Hi Kevin, Arun & Guru,

Please review the fix for
JBS : https://bugs.openjdk.java.net/browse/JDK-8166776
Webrev : http://cr.openjdk.java.net/~ghb/vpaliwal/8166776/webrev.00/ 
<http://cr.openjdk.java.net/%7Eghb/vpaliwal/8166776/webrev.00/>
Fix description is updated in JBS.
Thanks,
Viplove