new_contents: # Copyright (c) 2009 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.
  
  """Makes sure that the chrome/ code is cpplint clean."""
  
  INCLUDE_CPP_FILES_ONLY = (
    r'.*\.cc$', r'.*\.h$'
  )
  
  EXCLUDE = (
    # Objective C confuses everything.
    r'.*cocoa.*',
    r'.*_mac\.(cc|h)$',
    r'.*_mac_.*',
    # All the messages files do weird multiple include trickery
    r'.*_messages_internal\.h$',
    r'render_messages.h$',
    # Autogenerated window resources files are off limits
    r'.*resource.h$',
    # GTK macros in C-ish header code cause false positives
    r'gtk_.*\.h$',
    # Header trickery
    r'.*-inl\.h$',
    # Templates
    r'sigslotrepeater\.h$',
    # GCC attribute trickery
    r'sel_main\.cc$',
    # Mozilla code
    r'mork_reader\.h$',
    r'mork_reader\.cc$',
    r'nss_decryptor_linux\.cc$',
    # Has safe printf usage that cpplint complains about
    r'safe_browsing_util\.cc$',
    # Too much math on one line?
    r'bloom_filter\.cc$',
    # Bogus ifdef tricks
    r'renderer_webkitclient_impl\.cc$',
    r'temp_scaffolding_stubs\.h$',
    # Lines > 100 chars
    r'gcapi\.cc$',
  )
  
  def CheckChangeOnUpload(input_api, output_api):
    results = []
    black_list = input_api.DEFAULT_BLACK_LIST + EXCLUDE
    sources = lambda x: input_api.FilterSourceFile(
      x, white_list=INCLUDE_CPP_FILES_ONLY, black_list=black_list)
    results.extend(input_api.canned_checks.CheckChangeLintsClean(
        input_api, output_api, sources))
    return results
  
subject: Call the new presubmit checks from chrome/ code, with a blacklist.