return a list of uncovered files, not uncovered dirs

presubmit_canned_checks.py

 # Copyright (c) 2012 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.
 
 """Generic presubmit checks that can be reused by other presubmit checks."""
 
 import os as _os
 _HERE = _os.path.dirname(_os.path.abspath(__file__))
 
 
@@ skipping 779 matching lines @@
   owner_email, reviewers = _RietveldOwnerAndReviewers(
       input_api,
       owners_db.email_regexp,
       approval_needed=input_api.is_committing)
 
   if owner_email:
     message = ''
     reviewers_plus_owner = reviewers.union(set([owner_email]))
   else:
     message = ('\nUntil the issue is uploaded, this list will include '
-               'directories for which you \nare an OWNER.')
+               'files for which you are an OWNER.')
     owner_email = ''
     reviewers_plus_owner = set()
 
-  missing_directories = owners_db.directories_not_covered_by(affected_files,
-      reviewers_plus_owner)
-  if missing_directories:
+  missing_files = owners_db.files_not_covered_by(affected_files,
+                                                 reviewers_plus_owner)
+  if missing_files:
     output_list = [
-        output('Missing %s for files in these directories:\n    %s%s' %
-               (needed, '\n    '.join(missing_directories), message))]
+        output('Missing %s for these files:\n    %s%s' %
+               (needed, '\n    '.join(missing_files), message))]
     if not input_api.is_committing:
       suggested_owners = owners_db.reviewers_for(affected_files)
       output_list.append(output('Suggested OWNERS:\n    %s' %
                                 ('\n    '.join(suggested_owners))))
     return output_list
 
   if input_api.is_committing and not reviewers:
     return [output('Missing LGTM from someone other than %s' % owner_email)]
   return []
 
@@ skipping 188 matching lines @@
     snapshot("checking description")
     results.extend(input_api.canned_checks.CheckChangeHasDescription(
         input_api, output_api))
     results.extend(input_api.canned_checks.CheckDoNotSubmitInDescription(
         input_api, output_api))
     snapshot("checking do not submit in files")
     results.extend(input_api.canned_checks.CheckDoNotSubmitInFiles(
         input_api, output_api))
   snapshot("done")
   return results