new_contents: #!/usr/bin/env python
  # Copyright 2014 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.
  
  # Knows how to pull down files from the version of Blink we forked from.
  
  import argparse
  import requests
  import os
  import sys
  
  FORK_VERSION = "086acdd04cbe6fcb89b2fc6bd438fb8819a26776"
  
  parser = argparse.ArgumentParser("Tool for resurrecting pre-fork Blink files.")
  parser.add_argument("path", help="Path from Blink's Source root to the file."
      "e.g. core/dom/ExecutionContextTask.h")
  args = parser.parse_args()
  
  BASE_URL = "http://blink.lc/blink/plain/Source/%s?id=%s"
  url = BASE_URL % (args.path, FORK_VERSION)
  response = requests.get(url)
  if response.status_code != 200:
      print "Load failure: %s" % url
      sys.exit(0)
  contents = response.text
  
  file_name = os.path.basename(args.path)
  
  if os.path.exists(file_name):
      print "%s exists, do you want to overwrite [y/N]?" % file_name
      if raw_input().lower() not in ('y', 'yes'):
          print "Aborting."
          sys.exit(1)
  
  with open(file_name, "w+") as output:
      output.write(contents)
      print "Wrote %s" % file_name
subject: Add a little script for resurrecting pre-fork Blink files