remove node.js dependency by running the frog compiler in

frog/scripts/bootstrap/build_frogpad_js.py

 # Copyright 2011 Google Inc. All Rights Reserved.
 
 import os
 import platform
 import shutil
 import stat
 import sys
 
 HOME = os.path.dirname(os.path.realpath(__file__))
 HOME = os.path.join(HOME, os.pardir, os.pardir)
 
 sys.path.append(HOME)
 import frog
 
 # Runs frog.dart on the dart vm to compile frogpad.dart to frogpad.js
 def main(args):
-  if len(args) >= 2:
-    product_dir = args[1]
-  else:
-    product_dir = os.path.abspath(os.path.join(os.path.dirname(__file__),
-        '..', '..', '..', 'out/Release_ia32'))
-    print product_dir
+  product_dir = args[1]
 
   vm = os.path.join(product_dir, 'dart')
   frogpad_dart = os.path.join(product_dir, '..', '..',
       'tools', 'testing',  'frogpad', 'frogpad.dart')
   frogpad_js = os.path.join(product_dir, 'frog', 'bin', 'frogpad.js')
 
   if not os.path.exists(vm):
     raise Exception("cannot find dart vm '%s'" % vm)
 
   args = ['frog.py',
           '--verbose',
           '--vm=' + vm,
           '--',
           '--out=' + frogpad_js,
           frogpad_dart]
 
   exit_code = frog.main(args)
   if exit_code:
     return exit_code
 
   if not os.path.exists(frogpad_js):
     raise Exception("didn't generate '%s'" % frogpad_js)
 
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))