Revert "Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f"

third_party/mojo/src/mojo/public/tools/dart_package_name.py

-#!/usr/bin/python
-# Copyright 2015 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.
-
-"""This script outputs the package name specified in the pubspec.yaml"""
-
-import argparse
-import os
-import sys
-
-# TODO(johnmccutchan): Use the yaml package to parse.
-def PackageName(line):
-  assert line.startswith("name:")
-  return line.split(":")[1].strip()
-
-def main(pubspec_file):
-  source_file = open(pubspec_file, "r")
-  for line in source_file:
-    if line.startswith("name:"):
-      print(PackageName(line))
-      return 0
-  source_file.close()
-  # Couldn't find it.
-  return -1
-
-if __name__ == '__main__':
-  parser = argparse.ArgumentParser(
-      description="This script outputs the package name specified in the"
-                  "pubspec.yaml")
-  parser.add_argument("--pubspec",
-                      dest="pubspec_file",
-                      metavar="<pubspec-file>",
-                      type=str,
-                      required=True,
-                      help="Path to pubspec file")
-  args = parser.parse_args()
-  sys.exit(main(args.pubspec_file))