RFR: 8326712: Robot tests fail on XWayland

[Alexander Zvegintsev]

On Fri, 28 Jun 2024 07:04:18 GMT, Johan Vos <jvos at openjdk.org> wrote:

>> I don't have a strong opinion. This file is unchanged relative to the original in AWT. The other three already have some changes, so I'd probably lean toward removing it.
>
> With the headless platform that I started in the sandbox project, there is the concept of headless, but rather than compiling native code with `#ifdef HEADLESS` the current approach is to avoid those native compilations at all.
> However, I don't exclude that some parts of a file might make sense for a headless glass platform, where other parts should not be considered. In that case, the `ifdef HEADLESS` and in general the compile option `-DHEADLESS` would make sense.
> While this is not needed at this moment (and not even sure it will ever be needed), I am slightly in favor of keeping it here.

I already did the removal earlier, but I can bring it back once we come to an agreement.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1490#discussion_r1658317416