RFR: 8210119: Rename SubTasksDone::is_task_claimed

[Kim Barrett]

> On Aug 29, 2018, at 7:29 AM, Stefan Johansson <stefan.johansson at oracle.com> wrote:
> 
> 
> 
> On 2018-08-29 02:55, Kim Barrett wrote:
>> [Sending to hotspot-dev because, though this is a GC utility, it's also
>> being used in runtime/safepoint.cpp.]
>> Please review this small API naming cleanup.
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8210119
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/8210119/open.00/
> Nice cleanup, looks good.

Thanks.

> 
> Cheers,
> StefanJ
> 
>> Testing:
>> mach5 tier1-3