[Author: rsesek]
[Author: rsesek]

In GTM SizeToFit(), add more padding for NSTexturedRoundedBezelStyle buttons.

R=thomasvl
APPROVED=thomasvl

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