new_contents: # 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.
  _EXCLUDED_PATHS = (
  )
  
  def _CommonChecks(input_api, output_api):
    results = []
    results.extend(input_api.canned_checks.PanProjectChecks(
        input_api, output_api, excluded_paths=_EXCLUDED_PATHS))
    return results
  
  def CheckChangeOnUpload(input_api, output_api):
    results = []
    results.extend(_CommonChecks(input_api, output_api))
    return results
  
  def CheckChangeOnCommit(input_api, output_api):
    results = []
    results.extend(_CommonChecks(input_api, output_api))
    return results
  
subject: Add a basic presubmit script.