[11] JDK-8181910: [macos] Support dark title bars on macOS

[Shashidhara Veerabhadraiah]

Hi All, Please review an enhancement for the below bug:

 

Enhancement: https://bugs.openjdk.java.net/browse/JDK-8181910

 

Webrev: http://cr.openjdk.java.net/~sveerabhadra/8181910/webrev.00/

 

This utilizes the NSAppearance to set the appearance theme to dark or light.

 

Thanks and regards,

Shashi