[iOS] Simplify bundle creation by always calling codesign.py script.

build/config/ios/codesign.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 fnmatch
 import glob
 import os
 import plistlib
 import shutil
@@ skipping 250 matching lines @@
         help='path to the entitlements file to use')
     parser.add_argument(
         'path', help='path to the iOS bundle to codesign')
     parser.add_argument(
         '--identity', '-i', required=True,
         help='identity to use to codesign')
     parser.add_argument(
         '--binary', '-b', required=True,
         help='path to the iOS bundle binary')
     parser.add_argument(
-        '--framework', '-F', action='append', default=[], dest="frameworks",
+        '--framework', '-F', action='append', default=[], dest='frameworks',
         help='install and resign system framework')
+    parser.add_argument(
+        '--disable-code-signature', action='store_false', dest='sign',
+        help='disable code signature')
+    parser.set_defaults(sign=True)
 
   @staticmethod
   def _Execute(args):
     if not args.identity:
       args.identity = '-'
 
     bundle = Bundle(args.path)
 
     # Find mobile provisioning profile and embeds it into the bundle (if a code
     # signing identify has been provided, fails if no valid mobile provisioning
@@ skipping 11 matching lines @@
 
     # Install system frameworks if requested.
     for framework_path in args.frameworks:
       InstallSystemFramework(framework_path, args.path, args)
 
     # Copy main binary into bundle.
     if os.path.isfile(bundle.binary_path):
       os.unlink(bundle.binary_path)
     shutil.copy(args.binary, bundle.binary_path)
 
+    if not args.sign:
+      return
+
     # Embeds entitlements into the code signature (if code signing identify has
     # been provided).
     codesign_extra_args = []
     if provisioning_profile:
       temporary_entitlements_file = tempfile.NamedTemporaryFile(suffix='.xcent')
       codesign_extra_args.extend(
           ['--entitlements', temporary_entitlements_file.name])
 
       entitlements = GenerateEntitlements(
           args.entitlements_path, provisioning_profile, bundle.identifier)
@@ skipping 41 matching lines @@
 
   for action in [ CodeSignBundleAction, GenerateEntitlementsAction ]:
     action.Register(subparsers)
 
   args = parser.parse_args()
   args.func(args)
 
 
 if __name__ == '__main__':
   sys.exit(Main())