Properly count number of arguments for statics.

lib/dom/scripts/systemnative.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 systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 558 matching lines @@
       info: An OperationInfo object.
     """
 
     if 'CheckSecurityForNode' in info.overloads[0].ext_attrs:
       # FIXME: exclude from interface as well.
       return
 
     if 'Custom' in info.overloads[0].ext_attrs:
       parameters = info.ParametersImplementationDeclaration()
       dart_declaration = '%s %s(%s)' % (info.type_name, info.name, parameters)
-      argument_count = 1 + len(info.param_infos)
+      argument_count = (0 if info.IsStatic() else 1) + len(info.param_infos)
       self._GenerateNativeBinding(info.name, argument_count, dart_declaration,
           'Callback', True)
       return
 
     modifier = ''
     if info.IsStatic():
       modifier = 'static '
     body = self._members_emitter.Emit(
         '\n'
         '  $MODIFIER$TYPE $NAME($PARAMETERS) {\n'
@@ skipping 49 matching lines @@
                             NATIVENAME=native_name,
                             ARGS=argument_list)
     # Generate binding.
     modifier = ''
     if operation.is_static:
       modifier = 'static '
     dart_declaration = '%s%s _%s(%s)' % (modifier, info.type_name, native_name,
                                        argument_list)
     is_custom = 'Custom' in operation.ext_attrs
     cpp_callback_name = self._GenerateNativeBinding(
-        native_name, 1 + len(operation.arguments), dart_declaration, 'Callback',
+        native_name, (0 if operation.is_static else 1) + len(operation.arguments), dart_declaration, 'Callback',
         is_custom)
     if is_custom:
       return
 
     # Generate callback.
     webcore_function_name = operation.ext_attrs.get('ImplementedAs', operation.id)
 
     parameter_definitions_emitter = emitter.Emitter()
     arguments = []
     raises_exceptions = self._GenerateCallWithHandling(
@@ skipping 203 matching lines @@
 def _InstanceOfNode(database, interface):
   if interface.id == 'Node':
     return True
   for parent in interface.parents:
     if not database.HasInterface(parent.type.id):
       continue
     parent_interface = database.GetInterface(parent.type.id)
     if _InstanceOfNode(database, parent_interface):
       return True
   return False