Fixes for 1750 roll

tools/dom/scripts/generator.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 systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import json
@@ skipping 648 matching lines @@
   def bindings_class(self):
     return 'Dart%s' % self.idl_type()
 
   def vector_to_dart_template_parameter(self):
     return self.native_type()
 
   def to_native_info(self, idl_node, interface_name):
     cls = self.bindings_class()
 
     if 'Callback' in idl_node.ext_attrs:
-      return '%s', 'RefPtr<%s>' % self.native_type(), cls, 'create'
+      return '%s.release()', 'OwnPtr<%s>' % self.native_type(), cls, 'create'
 
     if self.custom_to_native():
       type = 'RefPtr<%s>' % self.native_type()
       argument_expression_template = '%s.get()'
     else:
       type = '%s*' % self.native_type()
       if isinstance(self, SVGTearOffIDLTypeInfo) and not interface_name.endswith('List'):
         argument_expression_template = '%s->propertyReference()'
       else:
         argument_expression_template = '%s'
@@ skipping 589 matching lines @@
     if type_data.clazz == 'BasicTypedList':
       if type_name == 'ArrayBuffer':
         dart_interface_name = 'ByteBuffer'
       else:
         dart_interface_name = self._renamer.RenameInterfaceId(type_name)
       return BasicTypedListIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)