RFR: 8267551: Support loading images from inline data-URIs [v13]

[Michael Strauß]

On Sat, 5 Jun 2021 16:12:36 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> `resource` is never `null` at this point, and it is already trimmed. Also, contrary to the comment, I cannot see this method being used anywhere in tests, so I made it private.
>
> If that is guaranteed by all callers of this method (which is easier to check now that you made it private), this is fine.

This method is only used once, and only after `resource` has already been dereferenced. So if it was indeed `null`, we would have errored out with `NullPointerException` before calling this method.

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PR: https://git.openjdk.java.net/jfx/pull/508