Use gn_helpers to [se]serialize GN lists.

build/android/gyp/aidl.py

 #!/usr/bin/env python
 #
 # Copyright 2014 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.
 
 """Invokes Android's aidl
 """
 
 import optparse
@@ skipping 14 matching lines @@
                            help='Directories to add as import search paths.')
   option_parser.add_option('--srcjar', help='Path for srcjar output.')
   options, args = option_parser.parse_args(argv[1:])
 
   with build_utils.TempDir() as temp_dir:
     for f in args:
       classname = os.path.splitext(os.path.basename(f))[0]
       output = os.path.join(temp_dir, classname + '.java')
       aidl_cmd = [options.aidl_path]
       aidl_cmd += [
-        '-p' + s for s in build_utils.ParseGypList(options.imports)
+        '-p' + s for s in build_utils.ParseGnList(options.imports)
       ]
       if options.includes is not None:
         aidl_cmd += [
-          '-I' + s for s in build_utils.ParseGypList(options.includes)
+          '-I' + s for s in build_utils.ParseGnList(options.includes)
         ]
       aidl_cmd += [
         f,
         output
       ]
       build_utils.CheckOutput(aidl_cmd)
 
     with zipfile.ZipFile(options.srcjar, 'w') as srcjar:
       for path in build_utils.FindInDirectory(temp_dir, '*.java'):
         with open(path) as fileobj:
           data = fileobj.read()
         pkg_name = re.search(r'^\s*package\s+(.*?)\s*;', data, re.M).group(1)
         arcname = '%s/%s' % (pkg_name.replace('.', '/'), os.path.basename(path))
         srcjar.writestr(arcname, data)
 
   if options.depfile:
     build_utils.WriteDepfile(
         options.depfile,
         build_utils.GetPythonDependencies())
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))