chrome update

MacBook Pro Hard Drive Firmware Update 2.0 reduces certain infrequent noises

This update will eliminate the noise made by the optical disk drive

Prevents unauthorized overwrite of system EFI.

Addresses a critical security issue with the Network Time Protocol service.

Improves the stability of the Apple Thunderbolt Display.

Fix for security flaw in bash.

For the MacBook Air (Mid 2011) models.

For mid 2013 MacBook Air models.

Adjusts fan behavior and more in the Mac Pro (Late 2013).

For Mid 2012 Retina display models.