Revert "Linux: change protobuf default option to allow building"

chrome/tools/build/generate_policy_source.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 '''python %prog [options] platform chromium_os_flag template
 
 platform specifies which platform source is being generated for
   and can be one of (win, mac, linux)
 chromium_os_flag should be 1 if this is a Chromium OS build
@@ skipping 261 matching lines @@
     for policy in _GetPolicyList(template_file_contents):
       f.write('const char k{name}[] = "{name}";\n'.format(name=policy.name))
     f.write('\n}  // namespace key\n\n'
             '}  // namespace policy\n')
 
 
 #------------------ policy protobuf --------------------------------#
 PROTO_HEAD = '''
 syntax = "proto2";
 
+option optimize_for = LITE_RUNTIME;
+
 package enterprise_management;
 
 message StringList {
   repeated string entries = 1;
 }
 
 message PolicyOptions {
   enum PolicyMode {
     // The given settings are applied regardless of user choice.
     MANDATORY = 0;
@@ skipping 172 matching lines @@
       if policy['type'] == 'group':
         for sub_policy in policy['policies']:
           _WritePolicyCode(f, sub_policy)
       else:
         _WritePolicyCode(f, policy)
     f.write(CPP_FOOT)
 
 
 if __name__ == '__main__':
   sys.exit(main())