Mojo: removing support for process-group.

services/service_manager/public/tools/manifest/manifest_collator.py

 #!/usr/bin/env python
 # 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.
 
 """ A collator for Service Manifests """
 
 import argparse
 import json
 import os
 import shutil
 import sys
 import urlparse
 
 
 # Keys which are completely overridden by manifest overlays
 _MANIFEST_OVERLAY_OVERRIDE_KEYS = [
   "display_name",
-  "process-group",
 ]
 
 eater_relative = '../../../../../../tools/json_comment_eater'
 eater_relative = os.path.join(os.path.abspath(__file__), eater_relative)
 sys.path.insert(0, os.path.normpath(eater_relative))
 try:
   import json_comment_eater
 finally:
   sys.path.pop(0)
 
@@ skipping 68 matching lines @@
   for overlay_path in args.overlays:
     MergeManifestOverlay(parent, ParseJSONFile(overlay_path))
 
   with open(args.output, 'w') as output_file:
     json.dump(parent, output_file)
 
   return 0
 
 if __name__ == "__main__":
   sys.exit(main())