Use gn_helpers to [se]serialize GN lists.

build/android/gyp/copy_ex.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.
 
 """Copies files to a directory."""
 
 import itertools
 import optparse
@@ skipping 17 matching lines @@
   """Copy file or directory and update deps."""
   if os.path.isdir(f):
     shutil.copytree(f, os.path.join(dest, os.path.basename(f)))
     deps.extend(_get_all_files(f))
   else:
     shutil.copy(f, dest)
     deps.append(f)
 
 def DoCopy(options, deps):
   """Copy files or directories given in options.files and update deps."""
-  files = list(itertools.chain.from_iterable(build_utils.ParseGypList(f)
+  files = list(itertools.chain.from_iterable(build_utils.ParseGnList(f)
                                              for f in options.files))
 
   for f in files:
     if os.path.isdir(f) and not options.clear:
       print ('To avoid stale files you must use --clear when copying '
              'directories')
       sys.exit(-1)
     CopyFile(f, options.dest, deps)
 
 def DoRenaming(options, deps):
   """Copy and rename files given in options.renaming_sources and update deps."""
   src_files = list(itertools.chain.from_iterable(
-                   build_utils.ParseGypList(f)
+                   build_utils.ParseGnList(f)
                    for f in options.renaming_sources))
 
   dest_files = list(itertools.chain.from_iterable(
-                    build_utils.ParseGypList(f)
+                    build_utils.ParseGnList(f)
                     for f in options.renaming_destinations))
 
   if (len(src_files) != len(dest_files)):
     print('Renaming source and destination files not match.')
     sys.exit(-1)
 
   for src, dest in itertools.izip(src_files, dest_files):
     if os.path.isdir(src):
       print ('renaming diretory is not supported.')
       sys.exit(-1)
@@ skipping 42 matching lines @@
         options.depfile,
         deps + build_utils.GetPythonDependencies())
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))