<AWT Dev> [9] Review Request: 7124417 [macosx] failure in Window.initGC on Mac with monitor sleeping

[Sergey Bylokhov]

Hello.
Please review the fix for jdk 9.
After the fix we use screen in sleep state as normal screen, where we 
can create new windows, etc.
Disadvantage is that Robot still does not work on such devices.

Bug: https://bugs.openjdk.java.net/browse/JDK-7124417
Webrev can be found at: http://cr.openjdk.java.net/~serb/7124417/webrev.01

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Best regards, Sergey.