RFR: 8276313: ScrollPane scroll delta incorrectly depends on content height [v3]

[Johan Vos]

On Thu, 2 Dec 2021 22:49:45 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> This PR fixes an issue where the scroll delta of ScrollPane incorrectly depends on the size of its content.
>> This leads to extremely slow scrolling when the content is only slightly larger than the ScrollPane.
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Changes per review

I'll review in the next hours.

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PR: https://git.openjdk.java.net/jfx/pull/660