Background selection color & focus border is missing when traversing the file or folder in detail mode of the filechooser in 6u10 b09 pit build. Also selection background color is not seen , but focus border can be seen for folders & files in 'List' mode.

Step to reproduced
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1) Run SwingSet2.
2) Select filechooser demo.
3) Press 'Show Plain JFileChooser'
4) Click on the folder or file. Observe that selection background color or focus border is not seen. If you see the same then the bug is reproduced.
5) Try traversing the files. Observe that file name changes in 'File Name' text field, but selection color is not seen.