[7u] Request for approval: 8000435 [macosx] Button painting error under Java 7 on Mac

[Sergey Bylokhov]

Hi Everyone,
This is a direct back port from jdk 8 to jdk 7u.

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8000435
Webrev can be found at: http://cr.openjdk.java.net/~serb/8000435/webrev.00
jdk8 changeset: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/4bf5a5a72664

Reviewers: Alexandr Scherbatiy, Denis Fokin.

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Best regards, Sergey.