Add fetch recipes for dart and dartium

recipes/dartium.py

-# Copyright 2014 The Chromium Authors. All rights reserved.
+# Copyright 2015 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.
 
 import sys
 
 import recipe_util  # pylint: disable=F0401
 
 
 # This class doesn't need an __init__ method, so we disable the warning
 # pylint: disable=W0232
-class Mojo(recipe_util.Recipe):
-  """Basic Recipe class for Mojo."""
+class Dart(recipe_util.Recipe):
+  """Basic Recipe class for Dart."""
 
   @staticmethod
   def fetch_spec(props):
-    url = 'https://github.com/domokit/mojo.git'
+    url = 'https://github.com/dart-lang/sdk.git'
     solution = {
-      'name'   :'src',
+      'name'   :'src/dart',
       'url'    : url,
-      'deps_file': 'DEPS',
+      'deps_file': 'tools/deps/dartium.deps/DEPS',
       'managed'   : False,
       'custom_deps': {},
       'safesync_url': '',
     }
     spec = {
       'solutions': [solution],
     }
     if props.get('target_os'):
       spec['target_os'] = props['target_os'].split(',')
     return {
       'type': 'gclient_git',
       'gclient_git_spec': spec,
     }
 
   @staticmethod
   def expected_root(_props):
     return 'src'
 
 
 def main(argv=None):
-  return Mojo().handle_args(argv)
+  return Dart().handle_args(argv)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))