Update mojo sdk to rev f84766d3b6420b7cf6a113d9d65d73cb5fe18d90

third_party/mojo/src/mojo/public/tools/gn/unzip.py

Index: third_party/mojo/src/mojo/public/tools/gn/unzip.py
diff --git a/third_party/mojo/src/mojo/public/tools/gn/unzip.py b/third_party/mojo/src/mojo/public/tools/gn/unzip.py
new file mode 100755
index 0000000000000000000000000000000000000000..988fc0805de6956344ac04ae33514c824bb59192
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/tools/gn/unzip.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env 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.
+
+"""Extracts a set of zip archives. """
+
+import ast
+import optparse
+import os
+import sys
+import zipfile
+
+def DoUnzip(inputs, output):
+  if not os.path.exists(output):
+    os.makedirs(output)
+  for i in inputs:
+    with zipfile.ZipFile(i) as zf:
+      zf.extractall(output)
+
+
+def main():
+  parser = optparse.OptionParser()
+
+  parser.add_option('--inputs', help='List of archives to extract.')
+  parser.add_option('--output', help='Path to unzip the archives to.')
+  parser.add_option('--timestamp', help='Path to a timestamp file.')
+
+  options, _ = parser.parse_args()
+
+  inputs = []
+  if (options.inputs):
+    inputs = ast.literal_eval(options.inputs)
+
+  DoUnzip(inputs, options.output)
+
+  if options.timestamp:
+    if os.path.exists(options.timestamp):
+      os.utime(options.timestamp, None)
+    else:
+      with open(options.timestamp, 'a'):
+        pass
+
+if __name__ == '__main__':
+  sys.exit(main())