RFR: 8317730: Change byte_size to return size_t

[Kim Barrett]

On Mon, 9 Oct 2023 12:57:34 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple signature update to `byte_size` to match expectation from callers.

Looks good.

I checked all the uses, and they all are dealing with size_t.  Thanks for spotting and fixing.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16100#pullrequestreview-1665088255