FileUpload now implements HasChangeHandlers, which is fired when a user changes the file in the widget.

Patch by: jlabanca
Review by: ecc (desk)
Issue: 3187



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@4768 8db76d5a-ed1c-0410-87a9-c151d255dfc7
4 files changed