RFR: 8209837: Avoid initializing ExpiringCache during bootstrap

[Alan Bateman]

On 23/08/2018 15:09, Claes Redestad wrote:
> Hi,
>
> it's a tiny startup improvement to rearrange code so that the 
> ExpiringCaches used in the FileSystem implementations aren't created 
> if they aren't going to be used:
>
> Webrev: http://cr.openjdk.java.net/~redestad/8209837/open.00/
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8209837
>
> 3 fewer classes loaded on bootstrap.
This looks good. A minor nit is the inconsistently long line L244, it 
would be better to keep it consistent with the existing code.

-Alan