For example, TODO(foo) is ok, but TODO: do something is not.

BUG=none
TEST=included

Review URL: http://codereview.chromium.org/6413004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@74032 0039d316-1c4b-4281-b951-d872f2087c98