diff -r 000000000000 -r 6474c204b198 media/webrtc/trunk/build/dir_exists.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/webrtc/trunk/build/dir_exists.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+# Copyright (c) 2011 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.
+"""Writes True if the argument is a directory."""
+
+import os.path
+import sys
+
+def main():
+  sys.stdout.write(str(os.path.isdir(sys.argv[1])))
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main())