Reset the limit of failing Firefox downloads to 3 days.

download_firefox_nightly.py

-#!/usr/bin/env python
+  #!/usr/bin/env python
 # Copyright 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.
 
 """Downloads a Firefox Nightly build for the current platform."""
 
 import datetime
 import glob
 import os
 import shutil
@@ skipping 75 matching lines @@
     downloader.download()
     print 'Downloaded %s' % firefox_archive
     return firefox_archive
   except errors.NotFoundError as exception:
     print 'Failed to download firefox: %s.' % exception
     fallback_build, age_days = _FindFallbackFirefoxBuild(target_dir)
 
     if not fallback_build:
       raise Exception('We failed to download Firefox and we have no builds to '
                       'fall back on; failing...')
-    if age_days > 14:
+    if age_days > 3:
       raise Exception('We have failed to download firefox builds for more '
-                      'than 14 days now: failing so someone looks at it. The '
+                      'than 3 days now: failing so someone looks at it. The '
                       'most recent build we have is %d days old.' % age_days)
 
     print 'Using %s instead; it is %d days old.' % (fallback_build, age_days)
     return fallback_build
 
 
 def _ExtractArchive(firefox_archive, target_dir):
   if utils.GetPlatform() is 'linux':
     tar_archive = tarfile.open(firefox_archive, 'r:bz2')
     tar_archive.extractall(path=target_dir)
@@ skipping 29 matching lines @@
 
   firefox_archive = _MaybeDownload(target_dir, options.force)
   if firefox_archive:
     _ExtractArchive(firefox_archive, target_dir) 
 
   if options.clean_old_firefox_archives:
     _CleanOldFirefoxArchives(target_dir)
 
 if __name__ == '__main__':
   sys.exit(main())