RFR(XS) 8252056 Move DumpRegion/ReadClosure/WriteClosure to archiveUtils.hpp

[calvin.cheung at oracle.com]

Hi Ioi,

The code cleanup looks good to me.

thanks,
Calvin

On 8/19/20 1:47 PM, Ioi Lam wrote:
> https://bugs.openjdk.java.net/browse/JDK-8252056
> http://cr.openjdk.java.net/~iklam/jdk16/8252056-move-dump-region-to-archive-utils.v01/ 
>
>
> Part of CDS code clean up:
>
> The classes are currently in metaspaceShared.hpp/cpp, which are too big.
> It's better to move these utility classes to archiveUtils.cpp/hpp
>
> Thanks
> - Ioi