remove node.js dependency by running the frog compiler in

frog/dart-frog.gyp

 # 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.
 
 {
   'variables': {
     # These variables are used in the creation of the .vcproj file on 
     # Windows.
     'cygwin_dir': '../third_party/cygwin',
   },
@@ skipping 68 matching lines @@
             '../runtime/dart-runtime.gyp:dart',
           ],
           'msvs_cygwin_dirs': ['<(cygwin_dir)'],
        }]],
       'type': 'none',
       'actions': [
         {
           'action_name': 'generate_frogsh',
           'inputs': [
             '<!@(["python", "scripts/list_frog_files.py"])',
-            'scripts/bootstrap/frogsh_bootstrap_wrapper.py',
-            'minfrog.dart',
+            'scripts/bootstrap/build_frogpad_js.py',
+            '../tools/testing/frogpad/frogpad.dart',
             '<(PRODUCT_DIR)/dart',
           ],
           'outputs': [
-            '<(PRODUCT_DIR)/frog/bin/frogsh',
+            '<(PRODUCT_DIR)/frog/bin/frogpad.js',
           ],
           'action': [
             'python',
-            'scripts/bootstrap/frogsh_bootstrap_wrapper.py',
+            'scripts/bootstrap/build_frogpad_js.py',
             '<(PRODUCT_DIR)',
           ],
-          'message': 'Generating frogsh file'
+          'message': 'Generating frogpad.js file'
         },
       ],
     },
   ],
 }