Comment 3 for bug 1262928

It worked in these browsers:
- Chrome Version 38.0.2125.101 (64-bit),
- Chromium Version 37.0.2062.94 running on Ubuntu 14.04
- IE 11 on Win7
- IE 10 on Win7
And the following browsers did not work which was expected (not all browsers support that attribute yet) :
- Firefox version 32
- IE 9 on win7
- IE 9 on win7.1

How to Test:

1. Log in as admin
2. Go to Administration → Users → Add users by CSV
3. Click on Browse... → A file selector window with only CSV file showing should be showing → Passed
4. Go to Groups → Add groups by CSV
5. Click on Browse... → A pop-up window with only CSV file showing should be showing → Passed
6. Go to Update group members by CSV
7. Click on Browse... → A pop-up window with only CSV file showing should be showing → Passed