[11] RFR JDK-8202277:WebView image capture fails with standalone FX due to dependency on javafx.swing

[Prasanta Sadhukhan]

Hi Kevin, All

Please review the fix to remove the dependancy on javafx.swing module 
from javafx.web

Bug: https://bugs.openjdk.java.net/browse/JDK-8202277
webrev: http://cr.openjdk.java.net/~psadhukhan/fx/8202277/webrev/

Regards
Prasanta