Fix generation of v14 resources

build/android/gyp/generate_v14_compatible_resources.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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.
 
 """Convert Android xml resources to API 14 compatible.
 
 There are two reasons that we cannot just use API 17 attributes,
 so we are generating another set of resources by this script.
@@ skipping 263 matching lines @@
 
   if args:
     parser.error('No positional arguments should be given.')
 
   # Check that required options have been provided.
   required_options = ('res_dir', 'res_v14_compatibility_dir')
   build_utils.CheckOptions(options, parser, required=required_options)
   return options
 
 def GenerateV14Resources(res_dir, res_v14_dir, verify_only):
-  build_utils.DeleteDirectory(res_v14_dir)
-  build_utils.MakeDirectory(res_v14_dir)
-
   for name in os.listdir(res_dir):
     if not os.path.isdir(os.path.join(res_dir, name)):
       continue
 
     dir_pieces = name.split('-')
     resource_type = dir_pieces[0]
     qualifiers = dir_pieces[1:]
 
     api_level_qualifier_index = -1
     api_level_qualifier = ''
@@ skipping 33 matching lines @@
           output_v14_dir = os.path.join(res_v14_dir,
                                         '-'.join([resource_type] +
                                                  output_qualifiers))
           GenerateV14StyleResourcesInDir(input_dir, output_v14_dir)
         elif not api_level_qualifier:
           ErrorIfStyleResourceExistsInDir(input_dir)
 
 def main():
   options = ParseArgs()
 
-  GenerateV14Resources(
-      options.res_dir, options.res_v14_compatibility_dir, options.verify_only)
+  res_v14_dir = options.res_v14_compatibility_dir
+
+  build_utils.DeleteDirectory(res_v14_dir)
+  build_utils.MakeDirectory(res_v14_dir)
+
+  GenerateV14Resources(options.res_dir, res_v14_dir, options.verify_only)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 if __name__ == '__main__':
   sys.exit(main())