[7u6] Request for approval: 7150105 [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.

[Sergey Bylokhov]

Hi Everyone,
This is a back port from jdk 8 to jdk 7u6.

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7150105
jdk8 changeset: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/933ea89bec06
Webrev can be found at: http://cr.openjdk.java.net/~serb/7150105/webrev.00
Technical review: 
http://mail.openjdk.java.net/pipermail/awt-dev/2012-June/002993.html
Reviewers: Anthony Petrov, Alexander Zuev

-- 
Best regards, Sergey.