Revert of Update mojo sdk to rev c02a28868825edfa57ab77947b8cb15e741c5598

third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py

Index: third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py
diff --git a/third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py b/third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py
index cfd7e644cc2784d10100c04bc6d9c2c38f7da95c..6c4767b7b6f0146bb9bea5e39214b394064a9996 100644
--- a/third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py
+++ b/third_party/mojo/src/mojo/public/python/mojo_bindings/reflection.py
@@ -135,103 +135,6 @@
     raise AttributeError('can\'t delete attribute')
 
 
-class MojoUnionType(type):
-
-  def __new__(mcs, name, bases, dictionary):
-    dictionary['__slots__'] = ('_cur_field', '_data')
-    descriptor = dictionary.pop('DESCRIPTOR', {})
-
-    fields = descriptor.get('fields', [])
-    def _BuildUnionProperty(field):
-
-      # pylint: disable=W0212
-      def Get(self):
-        if self._cur_field != field:
-          raise AttributeError('%s is not currently set' % field.name,
-              field.name, self._cur_field.name)
-        return self._data
-
-      # pylint: disable=W0212
-      def Set(self, value):
-        self._cur_field = field
-        self._data = field.field_type.Convert(value)
-
-      return property(Get, Set)
-
-    for field in fields:
-      dictionary[field.name] = _BuildUnionProperty(field)
-
-    def UnionInit(self, **kwargs):
-      self.SetInternals(None, None)
-      items = kwargs.items()
-      if len(items) == 0:
-        return
-
-      if len(items) > 1:
-        raise TypeError('only 1 member may be set on a union.')
-
-      setattr(self, items[0][0], items[0][1])
-    dictionary['__init__'] = UnionInit
-
-    serializer = serialization.UnionSerializer(fields)
-    def SerializeUnionInline(self, handle_offset=0):
-      return serializer.SerializeInline(self, handle_offset)
-    dictionary['SerializeInline'] = SerializeUnionInline
-
-    def SerializeUnion(self, handle_offset=0):
-      return serializer.Serialize(self, handle_offset)
-    dictionary['Serialize'] = SerializeUnion
-
-    def DeserializeUnion(cls, context):
-      return serializer.Deserialize(context, cls)
-    dictionary['Deserialize'] = classmethod(DeserializeUnion)
-
-    class Tags(object):
-      __metaclass__ = MojoEnumType
-      VALUES = [(field.name, field.index) for field in fields]
-    dictionary['Tags'] = Tags
-
-    def GetTag(self):
-      return self._cur_field.index
-    dictionary['tag'] = property(GetTag, None)
-
-    def GetData(self):
-      return self._data
-    dictionary['data'] = property(GetData, None)
-
-    def IsUnknown(self):
-      return not self._cur_field
-    dictionary['IsUnknown'] = IsUnknown
-
-    def UnionEq(self, other):
-      return (
-          (type(self) is type(other))
-          and (self.tag == other.tag)
-          and (self.data == other.data))
-    dictionary['__eq__'] = UnionEq
-
-    def UnionNe(self, other):
-      return not self.__eq__(other)
-    dictionary['__ne__'] = UnionNe
-
-    def UnionStr(self):
-      return '<%s.%s(%s): %s>' % (
-          self.__class__.__name__,
-          self._cur_field.name,
-          self.tag,
-          self.data)
-    dictionary['__str__'] = UnionStr
-    dictionary['__repr__'] = UnionStr
-
-    def SetInternals(self, field, data):
-      self._cur_field = field
-      self._data = data
-    dictionary['SetInternals'] = SetInternals
-
-
-    return type.__new__(mcs, name, bases, dictionary)
-
-
 class InterfaceRequest(object):
   """
   An interface request allows to send a request for an interface to a remote