[depot_tools] Add gendered pronoun presubmit check.

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__))
 
 # Justifications for each filter:
@@ skipping 193 matching lines @@
   outputs = []
   if cr_files:
     outputs.append(output_api.PresubmitPromptWarning(
         'Found a CR character in these files:', items=cr_files))
   if eof_files:
     outputs.append(output_api.PresubmitPromptWarning(
       'These files should end in one (and only one) newline character:',
       items=eof_files))
   return outputs
 
+def CheckGenderNeutral(input_api, output_api, source_file_filter=None):
+  """Checks that there are no gendered pronouns in any of the text files to be
+  submitted.
+  """
+  gendered_re = input_api.re.compile(
+      '(^|\s|\(|\[)([Hh]e|[Hh]is|[Hh]ers?|[Hh]im|[Ss]he|[Gg]uys?)\\b')
+
+  errors = []
+  for f in input_api.AffectedFiles(include_deletes=False,
+                                   file_filter=source_file_filter):
+    for line_num, line in f.ChangedContents():
+      if gendered_re.search(line):
+        errors.append('%s (%d): %s' % (f.LocalPath(), line_num, line))
+
+  if len(errors):
+    return [output_api.PresubmitPromptWarning('Found a gendered pronoun in:',
+                                              long_text='\n'.join(errors))]
+  return []
+
+
 
 def _ReportErrorFileAndLine(filename, line_num, dummy_line):
   """Default error formatter for _FindNewViolationsOfRule."""
   return '%s:%s' % (filename, line_num)
 
 
 def _FindNewViolationsOfRule(callable_rule, input_api, source_file_filter=None,
                              error_formatter=_ReportErrorFileAndLine):
   """Find all newly introduced violations of a per-line rule (a callable).
 
@@ skipping 931 matching lines @@
   for f in affected_files:
     cmd = ['gn', 'format', '--dry-run', f.AbsoluteLocalPath()]
     rc = gn.main(cmd)
     if rc == 2:
       warnings.append(output_api.PresubmitPromptWarning(
           '%s requires formatting. Please run `gn format --in-place %s`.' % (
               f.AbsoluteLocalPath(), f.LocalPath())))
   # It's just a warning, so ignore other types of failures assuming they'll be
   # caught elsewhere.
   return warnings