[Author: mmentovai]
[Author: mmentovai]

10.8 SDK compatibility for GTM.

|Object| is gone in Objective-C 2 in the 10.8 SDK, use |NSObject|
instead as for iOS.

R=dmaclach,thomasvl
APPROVED=thomasvl
DELTA=5  (2 added, 0 deleted, 3 changed)

jonreid/google-toolbox-for-mac,jonreid/google-toolbox-for-mac,jonreid/google-toolbox-for-mac