RFR: 8376992: Remove AppContext from SystemTray implementation

[Phil Race]

On Tue, 3 Feb 2026 19:58:58 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Remove AppContext from java/awt/SystemTray
>
> src/java.desktop/share/classes/java/awt/SystemTray.java line 317:
> 
>> 315:      */
>> 316:     public TrayIcon[] getTrayIcons() {
>> 317:         if (icons != null) {
> 
> This looks like a synchronization bug. Previously, it seemed to be synced via the app context.

I noticed  that this isn't synchronized whilst other cases are, and it may be a bug but I really hope it wasn't designed to rely on AppContext internals for synchronization !
I can add a synchronized block but the worst that can happen without it is that it sees null and returns an empty array of TrayIcon instead of one with some concurrently added icon, and that could happen anyway depending on which thread entered first.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29531#discussion_r2761083054