RFR: 8361325: Refactor ClassLoaderExt [v2]

[Calvin Cheung]

On Thu, 3 Jul 2025 17:26:43 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>>> It looks good to me. I like this simplification. But I'm curious what was the original reason to have the `classLoaderExt`?
>> 
>> I think it was created during the first revision of AppCDS back in JDK 8u.
>
>> It looks good to me. I like this simplification. But I'm curious what was the original reason to have the classLoaderExt?
> 
> I think it was from before we settled on the Shared suffix for CDS methods.

Thanks @coleenp @sspitsyn for the review.

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PR Comment: https://git.openjdk.org/jdk/pull/26110#issuecomment-3033406876