Use DartExceptionState

tools/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 890 matching lines @@
 
     body_emitter.Emit('\n')
 
     if 'NeedsUserGestureCheck' in ext_attrs:
       cpp_arguments.append('DartUtilities::processingUserGesture')
 
     invocation_emitter = body_emitter
     if raises_dom_exception:
       cpp_arguments.append('es')
       invocation_emitter = body_emitter.Emit(
-        # TODO(vsm): The move from ExceptionCode to ExceptionState adds
-        # a V8 dependency.  Constructing with a NULL V8 isolate....
-        '        ExceptionState es(0);\n'
+        '        DartExceptionState es;\n'
         '$!INVOCATION'
         '        if (es.hadException()) {\n'
         '            exception = DartDOMWrapper::exceptionCodeToDartException(es);\n'
         '            goto fail;\n'
         '        }\n')
 
 
     if needs_receiver:
       interface_name = self._interface_type_info.native_type()
       # Hack to determine if this came from the _cpp_callback_map.
@@ skipping 173 matching lines @@
             '    if (Dart_NativeFunction func = $CLASS_NAME::resolver(name, argumentCount))\n'
             '        return func;\n',
             CLASS_NAME=os.path.splitext(os.path.basename(path))[0])
 
 def _IsOptionalStringArgumentInInitEventMethod(interface, operation, argument):
   return (
       interface.id.endswith('Event') and
       operation.id.startswith('init') and
       argument.ext_attrs.get('Default') == 'Undefined' and
       argument.type.id == 'DOMString')