[Mac/iOS/GN] Re-purpose the ios_compile_xib.py file to also handle Mac XIBs.

build/config/ios/ios_compile_xib.py

-# Copyright 2016 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.
-
-
-import argparse
-import os
-import subprocess
-import sys
-
-
-def main():
-  parser = argparse.ArgumentParser(
-      description='A script to compile xib and storyboard.',
-      fromfile_prefix_chars='@')
-  parser.add_argument('-o', '--output', required=True,
-                      help='Path to output bundle.')
-  parser.add_argument('-i', '--input', required=True,
-                      help='Path to input xib or storyboard.')
-  parser.add_argument('-m', '--minimum-deployment-target', required=True,
-                      help='Minimum deployment target.')
-  args = parser.parse_args()
-
-  subprocess.check_call([
-      'xcrun', 'ibtool', '--errors', '--warnings', '--notices',
-      '--auto-activate-custom-fonts', '--target-device', 'iphone',
-      '--target-device', 'ipad', '--output-format', 'human-readable-text',
-      '--minimum-deployment-target', args.minimum_deployment_target,
-      '--compile', os.path.abspath(args.output), os.path.abspath(args.input),
-  ])
-
-
-if __name__ == '__main__':
-  sys.exit(main())