Use Blink IDL parser for dart libraries.

tools/dom/scripts/htmldartgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2012, 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.
 
 """This module provides shared functionality for the system to generate
 dart:html APIs from the IDL database."""
 
 import emitter
 from generator import AnalyzeOperation, ConstantOutputOrder, \
@@ skipping 190 matching lines @@
           cloned_operation = deepcopy(operation)
           cloned_operation.ext_attrs['DartName'] = operation_id
           interface.operations.append(cloned_operation)
 
   def _EnsureNoMultipleTypeSignatures(self, interface, operation,
       operations_by_name):
     """Make sure that there is now at most one operation with a particular
     operation.id. If not, stop library generation, and throw an error, requiring
     programmer input about the best name change before proceeding."""
     operation_str = '%s.%s' % (interface.id, operation.id)
+
     if (operation.id in operations_by_name and
         len(operations_by_name[operation.id]) > 1 and
         len(filter(lambda overload: overload.startswith(operation_str),
             renamed_overloads.keys())) == 0 and
         operation_str not in keep_overloaded_members and
         operation_str not in overloaded_and_renamed and
         operation_str not in renamed_html_members and
         operation_str not in private_html_members and
         operation_str not in removed_html_members and
         operation.id != '__getter__' and
@@ skipping 537 matching lines @@
     return self._type_registry.TypeInfo(type_name).narrow_dart_type()
 
   def _NarrowInputType(self, type_name):
     return self._NarrowToImplementationType(type_name)
 
   def _DartType(self, type_name):
     return self._type_registry.DartType(type_name)
 
   def _TypeInfo(self, type_name):
     return self._type_registry.TypeInfo(type_name)