Use Blink IDL parser for dart libraries.

tools/dom/scripts/multiemitter.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.
 
 """Templating to help generate structured text."""
 
 import os
 import sys
 import subprocess
 import time
 import emitter
 import logging
 
 _logger = logging.getLogger('multiemitter')
 
 class MultiEmitter(object):
   """A set of Emitters that write to different files.
 
   Each entry has a key.
 
   file --> emitter
   key --> emitter
 
   """
 
-  def __init__(self):
+  def __init__(self, logging_level=logging.WARNING):
     self._key_to_emitter = {}     # key -> Emitter
     self._filename_to_emitter = {}    # filename -> Emitter
 
+    _logger.setLevel(logging_level)
+
 
   def FileEmitter(self, filename, key=None):
     """Creates an emitter for writing to a file.
 
     When this MultiEmitter is flushed, the contents of the emitter are written
     to the file.
 
     Arguments:
       filename: a string, the path name of the file
       key: provides an access key to retrieve the emitter.
@@ skipping 67 matching lines @@
 
         if sys.platform  == 'win32':
           handle_file = r'E:\handle.exe'
           if os.path.exists(handle_file):
             _logger.info('Running handle.exe for debugging purposes')
             subprocess.call([handle_file, '-a', r'E:\b\build\slave'])
           else:
             _logger.info("Couldn't find %s. Not printing open handles."
                          % handle_file)
         raise error