This PR adds a guard to WebKit/EditorJava.cpp, to prevent passing an empty selection to the pasteboard, that would cause an immediate JVM termination, when firing a copy key event over a focused WebView that has no selection (for instance, it has not been clicked/selected yet).
--------- - [X] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - Prevent passing an empty selection to the pasteboard Changes: https://git.openjdk.org/jfx/pull/2292/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=2292&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8391779 Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jfx/pull/2292.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/2292/head:pull/2292 PR: https://git.openjdk.org/jfx/pull/2292
