RFR: 8205607: Use oop_iterate instead of oop_iterate_no_header

[Per Liden]

Looks good!

/Per

On 06/25/2018 02:25 PM, Stefan Karlsson wrote:
> Hi all,
> 
> Please review this patch to use oop_iterate instead of 
> oop_iterate_no_headers.
> 
> http://cr.openjdk.java.net/~stefank/8205607/webrev.01/
> https://bugs.openjdk.java.net/browse/JDK-8205607
> 
> oop_iterate_no_header is a convenience function that allows developers 
> to pass in sub classes of OopClosures, instead of sub classes of 
> OopIterateClosure, to the oop_iterate machinery.
> 
> I propose that we remove this function, and change the few closures 
> where this is used, to inherit from OopIterateClosure instead of 
> OopClosure.
> 
> Thanks,
> StefanK