Update dart:chrome APIs and include chrome.fileSystem

tools/dom/scripts/chromegenerator.py

 #!/usr/bin/python
 # Copyright (c) 2012, 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 module generates Dart Chrome APIs from the Chrome IDL files."""
 
 import sys
 import os
 
@@ skipping 49 matching lines @@
 # The format for adding files to TEMPLATE_CONTENT. Will be substituted with the
 # filename (not including the extension) of the IDL/JSON file.
 TEMPLATE_FILE_FORMAT = 'part "$AUXILIARY_DIR/chrome/%s.dart";'
 
 # A list of schema files to generate.
 # TODO(sashab): Later, use the ones from API_DIR/api.gyp and
 # API_DIR/_permission_features.json (for 'platform_apps').
 API_FILES = [
     "app_window.idl",
     "app_runtime.idl",
+    "file_system.idl",
 ]
 
 if __name__ == "__main__":
   # Generate each file.
   for filename in API_FILES:
     result = os.system('python "%s" -g dart -D "%s" -d "%s" -r "%s" "%s"' % (
         COMPILER, OVERRIDES_DIR, OUTPUT_DIR, API_DIR,
         os.path.join(API_DIR, filename)))
     if result != 0:
         print "Error occurred during generation of %s" % (
             os.path.join(API_DIR, filename))
         sys.exit(1)
     else:
       print "Generated %s successfully to %s.dart" % (
           os.path.join(API_DIR, filename),
           os.path.join(OUTPUT_DIR, os.path.splitext(filename)[0]))
 
   # Generate the template.
   files_to_add = (TEMPLATE_FILE_FORMAT % os.path.splitext(f)[0]
                   for f in API_FILES)
   with open(OUTPUT_TEMPLATE, 'w') as template_file:
     template_file.write(TEMPLATE_CONTENT)
     template_file.write('\n'.join(files_to_add))
   print "Generated template succesfully."