Copy libvpx from DEPS to src

third_party/libvpx_new/run_perl.py

+#!/usr/bin/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.
+
+"This script is used to run a perl script."
+
+import optparse
+import subprocess
+import sys
+
+parser = optparse.OptionParser()
+parser.description = __doc__
+parser.add_option('-s', '--script', help='path to a perl script.')
+parser.add_option('-i', '--input', help='file passed to stdin.')
+parser.add_option('-o', '--output', help='file saved from stdout.')
+
+
+options, args = parser.parse_args()
+if (not options.script or not options.input or not options.output):
+  parser.error('Must specify arguments for script, input and output.')
+  sys.exit(1)
+
+with open(options.output, 'w') as fo, open(options.input, 'r') as fi:
+  subprocess.check_call(['perl', options.script], stdout=fo, stdin=fi)
+
+sys.exit(0)