Update testing tools (AppRTC, Go) to new versions

webrtc/tools/testing/download_golang.py

Index: webrtc/tools/testing/download_golang.py
diff --git a/webrtc/tools/testing/download_golang.py b/webrtc/tools/testing/download_golang.py
deleted file mode 100755
index a6665bb719a16d152572eb09361fd9ef1be1e385..0000000000000000000000000000000000000000
--- a/webrtc/tools/testing/download_golang.py
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-"""Downloads the golang SDK from WebRTC storage and unpacks it.
-
-Requires that depot_tools is installed and in the PATH.
-
-The precondition is that a directory 'golang' lives in the same directory
-as the script.
-This 'golang' directory has the following structure:
-
-/golang
- |
- |-----/linux/go.tar.gz.sha1
- |-----/win/go.zip.sha1
- |-----/mac/go.tar.gz.sha1
-"""
-
-import os
-import sys
-
-import utils
-
-
-SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
-
-
-def _GetGoArchivePathForPlatform():
-  archive_extension = 'zip' if utils.GetPlatform() == 'win' else 'tar.gz'
-  return os.path.join(utils.GetPlatform(), 'go.%s' % archive_extension)
-
-
-def main(argv):
-  if len(argv) == 1:
-    return 'Usage: %s <output_dir>' % argv[0]
-
-  output_dir = os.path.join(argv[1])
-  golang_path = os.path.join(SCRIPT_DIR, 'golang')
-  archive_path = os.path.join(golang_path, _GetGoArchivePathForPlatform())
-  old_archive_sha1 = utils.ComputeSHA1(archive_path)
-
-  utils.DownloadFilesFromGoogleStorage(golang_path)
-
-  if (old_archive_sha1 != utils.ComputeSHA1(archive_path)
-      or not os.path.exists('go')):
-    utils.RemoveDirectory(os.path.join(output_dir, 'go'))
-    utils.UnpackArchiveTo(archive_path, output_dir)
-
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))