When load default value or save changes will pop up message box to let user confirm,Y means confirm and N means ignore,now add Esc key with the same function of N key.And change the content of pop up message in .uni file, now will display "Press 'Y' to confirm, 'N'/'ESC' to ignore." Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18076 6f19259b-4bc3-4df7-8a09-765794883524