RFR: 8376433: Remove AppContext from Swing Windows L&F implementation

[Sergey Bylokhov]

On Tue, 27 Jan 2026 05:35:16 GMT, Phil Race <prr at openjdk.org> wrote:

> Remove AppContext from the Windows L&F implementation

src/java.desktop/windows/classes/com/sun/java/swing/plaf/windows/AnimationController.java line 312:

> 310:         timer.stop();
> 311:         UIManager.removePropertyChangeListener(this);
> 312:         synchronized (AnimationController.class) {

Just a note that this synchronization is still needed here (even for the updated version) because getAnimationController checks and returns the shared field instead of a local variable. What about possibility to simplify it(return local var there and volatile on field itself)?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/29440#discussion_r2730411162