Remove a confusing obsolete comment from MetricsService's header
This comment stopped being true almost two and a half years ago (the function doesn't even *have* a return value any more), but was never removed.
Also fixes incorrect use of "setup" as a verb, to make the interface more readable.
BUG=None
TEST=None
Review URL: http://codereview.chromium.org/6712011
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@78616 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed
