Add KeyCode enumeration in Dart.

sdk/lib/html/scripts/dartdomgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This is the entry point to create Dart APIs from the IDL database."""
 
 import dartgenerator
 import database
 import fremontcutbuilder
@@ skipping 116 matching lines @@
         dartium_output_dir)
     cpp_library_emitter.EmitResolver(
         template_loader.Load('cpp_resolver.template'), dartium_output_dir)
 
   _logger.info('Flush...')
   emitters.Flush()
 
 def GenerateSingleFile(library_path, output_dir):
   library_dir = os.path.dirname(library_path)
   library_filename = os.path.basename(library_path)
-  copy_dart_script = os.path.relpath('../../../tools/copy_dart.py', library_dir)
+  copy_dart_script = os.path.relpath('../../../../tools/copy_dart.py',
+      library_dir)
   output_dir = os.path.relpath(output_dir, library_dir)
   command = ' '.join(['cd', library_dir, ';',
                       copy_dart_script, output_dir, library_filename])
   subprocess.call([command], shell=True)
 
 def main():
   parser = optparse.OptionParser()
   parser.add_option('--parallel', dest='parallel',
                     action='store_true', default=False,
                     help='Use fremontcut in parallel mode.')
@@ skipping 40 matching lines @@
     _logger.info('Copy html_dart2js to dart2js/')
     GenerateSingleFile(os.path.join(dart2js_output_dir, 'html_dart2js.dart'),
                        '../dart2js')
   if 'htmldartium' in systems:
     _logger.info('Copy html_dartium to dartium/')
     GenerateSingleFile(os.path.join(dartium_output_dir, 'html_dartium.dart'),
                        '../dartium')
 
 if __name__ == '__main__':
   sys.exit(main())