[9] Review request: 8156963: Add @Deprecated annotation to HostServices.getWebContext method

[Kevin Rushforth]

[resend with correct subject line]

Hi Chien,

Please review the following to deprecate the 
HostServices.getWebContext() method in JDK 9:

https://bugs.openjdk.java.net/browse/JDK-8156963
http://cr.openjdk.java.net/~kcr/8156963/webrev.00/

This is being done as part of JEP 289 [1][2].

Thanks.

-- Kevin

[1] https://bugs.openjdk.java.net/browse/JDK-8149502