Integrated: 8342997: Remove use of System::getSecurityManager and SecurityManager from JavaFX

[Kevin Rushforth]

On Fri, 8 Nov 2024 21:46:38 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Ths PR removes all remaining calls to `System::getSecurityManager` and the `SecurityManager` class along with the `System.getGecurityManager() != null` code paths.
> 
> As part of doing this, the last uses of `PermissionHelper` and `FXPermissions` were eliminated, so I deleted those two classes. Since `PermissionHelper` was the last remaining use of `AccessControlException`, I am adding JDK-8342998 to this PR.
> 
> In a few places, I noted some "check permissions" methods that are now no-ops that might be candidates for further cleanup (not directly related, so not planned for jfx24).
> 
> Finally, I deleted several unused methods in `MethodUtil` and `ReflectUtil` (some of these were already removed in the corresponding JDK classes, and some of them were unused after the changes to remove the call to `getSecurityManager`).

This pull request has now been integrated.

Changeset: dd600658
Author:    Kevin Rushforth <kcr at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/dd60065808bc847d8efbb818b8f83c4e61290d29
Stats:     911 lines in 33 files changed: 10 ins; 866 del; 35 mod

8342997: Remove use of System::getSecurityManager and SecurityManager from JavaFX
8342998: Remove all uses of AccessControlException
8342994: Remove security manager calls in com.sun.javafx.reflect

Reviewed-by: angorya, lkostyra

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PR: https://git.openjdk.org/jfx/pull/1631