Update from https://crrev.com/304121

net/websockets/PRESUBMIT.py

-# 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.
-
-"""Chromium presubmit script for src/net/websockets.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details on the presubmit API built into gcl.
-"""
-
-
-# TODO(ricea): Remove this once the old implementation has been removed and the
-# list of files in the README file is no longer needed.
-def _CheckReadMeComplete(input_api, output_api):
-  """Verifies that any new files have been added to the README file.
-
-  Checks that if any source files were added in this CL, that they were
-  also added to the README file. We do not warn about pre-existing
-  errors, as that would be annoying.
-
-  Args:
-      input_api: The InputApi object provided by the presubmit framework.
-      output_api: The OutputApi object provided by the framework.
-
-  Returns:
-      A list of zero or more PresubmitPromptWarning objects.
-  """
-  # None passed to AffectedSourceFiles means "use the default filter", which
-  # does what we want, ie. returns files in the CL with filenames that look like
-  # source code.
-  added_source_filenames = set(input_api.basename(af.LocalPath())
-                               for af in input_api.AffectedSourceFiles(None)
-                               if af.Action().startswith('A'))
-  if not added_source_filenames:
-    return []
-  readme = input_api.AffectedSourceFiles(
-      lambda af: af.LocalPath().endswith('/README'))
-  if not readme:
-    return [output_api.PresubmitPromptWarning(
-        'One or more files were added to net/websockets without being added\n'
-        'to net/websockets/README.\n', added_source_filenames)]
-  readme_added_filenames = set(line.strip() for line in readme[0].NewContents()
-                               if line.strip() in added_source_filenames)
-  if readme_added_filenames < added_source_filenames:
-    return [output_api.PresubmitPromptWarning(
-        'One or more files added to net/websockets but not found in the README '
-        'file.\n', added_source_filenames - readme_added_filenames)]
-  else:
-    return []
-
-
-def CheckChangeOnUpload(input_api, output_api):
-  return _CheckReadMeComplete(input_api, output_api)
-
-
-def CheckChangeOnCommit(input_api, output_api):
-  return _CheckReadMeComplete(input_api, output_api)