RFR: 8368572: Update WebKit to 623.1 [v2]

[Kevin Rushforth]

On Wed, 21 Jan 2026 05:19:50 GMT, Hima Bindu Meda <hmeda at openjdk.org> wrote:

>> This PR updates Webkit to v623.1. Verified build and sanity on Mac, Linux and Windows platforms. No issue seen.
>
> Hima Bindu Meda has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - resolve compilation error due to latest merge
>  - Merge branch 'master' into webkit-623.1
>  - change file permissions
>  - whitespace correction
>  - Update webkit to v623.1

All good. I confirm that that the only change you made since @tiainen and @johanvos approved this PR is the one-line change I mentioned above that was needed to fix the merge issue after merging the latest master. As such, I this can go in with a single re-review (by me).

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/2042#pullrequestreview-3687098412