RFR: 8338411: Implement JEP 486: Permanently Disable the Security Manager [v3]

[Phil Race]

On Fri, 1 Nov 2024 18:06:47 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> > I'd not looked at this test before but when I do the thing I noticed is that createPrivateValue is no longer used. But I don't see a problem with keeping the rest of the test.
> 
> @prrace Do I understand correctly that _“`createPrivateValue` is no longer used”_ means `MultiUIDefaults` is never used with `ProxyLazyValue`?
> 
> The [`MultiUIDefaults` class](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/MultiUIDefaults.java) is used in `UIManager`:
> 
> https://github.com/openjdk/jdk/blob/c82ad845e101bf5d97c0744377d68002907d4a0e/src/java.desktop/share/classes/javax/swing/UIManager.java#L198

I think I was just saying there appeared to be dead code in the test.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21498#discussion_r1835053637