RFR: 8304912: Use OperatingSystem enum in java.desktop module [v7]

[Glavo]

On Tue, 11 Apr 2023 16:02:49 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Update classes in the java.desktop module to use the jdk.internal.util.OperatingSystem enum instead of the `os.name` system property to select OS specific behaviors.
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removed unused osTypeAction

src/java.desktop/share/classes/javax/swing/PopupFactory.java line 1:

> 1: /*

https://github.com/openjdk/jdk/blob/a3334e88440eb576943e20daa7d5ee8f824d1290/src/java.desktop/share/classes/javax/swing/PopupFactory.java#L42

This import is no longer used.

src/java.desktop/share/classes/javax/swing/plaf/nimbus/NimbusLookAndFeel.java line 1:

> 1: /*

https://github.com/openjdk/jdk/blob/a3334e88440eb576943e20daa7d5ee8f824d1290/src/java.desktop/share/classes/javax/swing/plaf/nimbus/NimbusLookAndFeel.java#L353-L359

This method is no longer used.

src/java.desktop/share/classes/sun/awt/OSInfo.java line 31:

> 29: 
> 30: import java.security.AccessController;
> 31: import java.security.PrivilegedAction;

These imports are no longer used.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13213#discussion_r1165996747
PR Review Comment: https://git.openjdk.org/jdk/pull/13213#discussion_r1165998850
PR Review Comment: https://git.openjdk.org/jdk/pull/13213#discussion_r1166000312