webrev: http://cr.openjdk.java.net/~flar/RT-38923/webrev.00/
Jira: https://javafx-jira.kenai.com/browse/RT-38923
The main issues are testing this in various configurations and with whatever
tests were used that led us to the previous solution of having an unbounded
number of outstanding pixel buffers in flight in the upload queue. I mainly
tested with the test case in the description of the Jira issue on Mac (which
doesn't use the UploadingPainter) and Win 7 (where I could reproduce the
problem)...
...jim
