[webkit][10] Review request: 8170955: HTML5 canvas shadow properties should not be affected by transform

[Guru Hb]

Hi Arun & Murali,

Please review the fix for :
JBS : https://bugs.openjdk.java.net/browse/JDK-8170955 <https://bugs.openjdk.java.net/browse/JDK-8170955>
webrev : http://cr.openjdk.java.net/~ghb/8170955/webrev.00/ <http://cr.openjdk.java.net/~ghb/8170955/webrev.00/>

Thanks,
Guru