After http://monaco.sfbay/detail.jsf?cr=6601200 fix, we can observe that there is a large gap between the nodes inside the LookIn ComboBox of the fileChooser. I have attached the screen shot of the same. This can be seen in 6u10 b07 as well as 6u10 b08 pit build. It looks correct in 6u10 b06,  hence its a regression introduced in 6u10 b07 onwards.

Step to reproduce:
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1) Run SwingSet2.
2) Select JFileChooser demo.
3) click on 'Plain JFileChooser Button'. Click on the LookIn ComboBox . Observe that there is large gap between the nodes. If you see the same , then the bug is reproduced.