Strip out gcc preprocessor support

tools/dom/scripts/databasebuilder.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.
 
 import copy
 import database
 import idlparser
 import logging
 import multiprocessing
@@ skipping 49 matching lines @@
 
 def _load_idl_file(file_name, import_options):
   """Loads an IDL file into memory"""
   idl_parser = idlparser.IDLParser(import_options.idl_syntax)
 
   try:
     f = open(file_name, 'r')
     content = f.read()
     f.close()
 
-    idl_ast = idl_parser.parse(
-      content,
-      defines=import_options.idl_defines)
+    idl_ast = idl_parser.parse(content)
     return IDLFile(idl_ast, file_name)
   except SyntaxError, e:
     raise RuntimeError('Failed to load file %s: %s: Content: %s[end]'
                        % (file_name, e, content))
 
 
 class DatabaseBuilder(object):
   def __init__(self, database):
     """DatabaseBuilder is used for importing and merging interfaces into
     the Database"""
@@ skipping 486 matching lines @@
       # TODO(antonm): Ideally we'd like to have pristine copy of WebKit IDLs and fetch
       # this information directly from it.  Unfortunately right now database is massaged
       # a lot so it's difficult to maintain necessary information on Window itself.
       interface = self._database.GetInterface(type)
       if 'V8EnabledPerContext' in attr.ext_attrs:
         interface.ext_attrs['synthesizedV8EnabledPerContext'] = \
             attr.ext_attrs['V8EnabledPerContext']
       if 'V8EnabledAtRuntime' in attr.ext_attrs:
         interface.ext_attrs['synthesizedV8EnabledAtRuntime'] = \
             attr.ext_attrs['V8EnabledAtRuntime'] or attr.id