"up-to-date" should only use hyphens when used as compound modifier of a noun

chrome/test/chromedriver/run_buildbot_steps.py

 #!/usr/bin/env python
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Runs all the buildbot steps for ChromeDriver except for update/compile."""
 
 import bisect
 import csv
 import datetime
@@ skipping 337 matching lines @@
 
   if slave_utils.GSUtilCopy(temp_notes_fname, notes_url, mimetype='text/plain'):
     util.MarkBuildStepError()
 
 
 def _MaybeUpdateLatestRelease(version):
   """Update the file LATEST_RELEASE with the latest release version number."""
   latest_release_fname = 'LATEST_RELEASE'
   latest_release_url = '%s/%s' % (GS_CHROMEDRIVER_BUCKET, latest_release_fname)
 
-  # Check if LATEST_RELEASE is up-to-date.
+  # Check if LATEST_RELEASE is up to date.
   latest_released_version = _GetWebPageContent(
       '%s/%s' % (GS_CHROMEDRIVER_RELEASE_URL, latest_release_fname))
   if version == latest_released_version:
     return
 
   # Check if chromedriver was released on all supported platforms.
   supported_platforms = ['linux32', 'linux64', 'mac32', 'win32']
   for platform in supported_platforms:
     if not _WasReleased(version, platform):
       return
@@ skipping 138 matching lines @@
     util.MarkBuildStepStart('run_all_tests.py')
     util.MarkBuildStepError()
 
   # Add a "cleanup" step so that errors from runtest.py or bb_device_steps.py
   # (which invoke this script) are kept in their own build step.
   util.MarkBuildStepStart('cleanup')
 
 
 if __name__ == '__main__':
   main()