[8u-dev] Request for approval: 8165717 [macosx] Various memory leaks in jdk9

[Sergey Bylokhov]

Hello,
These is a direct back port from jdk 9 to jdk 8u-dev.

8165717: [macosx] Various memory leaks in jdk9
Bug: https://bugs.openjdk.java.net/browse/JDK-8165717
Webrev can be found at: http://cr.openjdk.java.net/~serb/8165717/webrev.00/
jdk9 changeset: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/374509e16f8a
Review: 
http://mail.openjdk.java.net/pipermail/awt-dev/2016-September/011923.html
Reviewers: Anton Tarasov, Semyon Sadetsky

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Best regards, Sergey.