Add Linux build packaging targets to GN

chrome/installer/linux/flock_make_package.py

+# 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.
+
+# Linux package generation is serialized because it creates large numbers of
+# temporary files that can overload the /tmp partition on the builders.
+# See https://codereview.chromium.org/243019
+#
+# This script does a flock to serialize, and then runs the given shell
+# script with the given parameters.
+#
+# Usage:
+#   flock_make_package.py <lockfile> <shell_script> [<args_to_script>*]

[Lei Zhang, 2015/08/28 23:17:02]

Might be nice to use this with GYP as well for consistency, but whatever.

+
+import subprocess
+import sys
+
+if len(sys.argv) < 3:
+  print "Incorrect args."
+  sys.exit(1)
+subprocess.call(["flock", "--", sys.argv[1], "bash"] + sys.argv[2:])