Index: lib/html/scripts/systemhtml.py |
diff --git a/lib/html/scripts/systemhtml.py b/lib/html/scripts/systemhtml.py |
index ec157338dbdc8476489cfc730e5eaba93705824a..697cbab8f6e4063dd49c8bb568e8a1750839888c 100644 |
--- a/lib/html/scripts/systemhtml.py |
+++ b/lib/html/scripts/systemhtml.py |
@@ -698,7 +698,10 @@ class Dart2JSBackend(object): |
# TODO(sra): Use separate mixins for typed array implementations of List<T>. |
if self._interface.id != 'NodeList': |
template_file = 'immutable_list_mixin.darttemplate' |
- template = self._template_loader.Load(template_file) |
+ has_contains = any(op.id == 'contains' for op in self._interface.operations) |
+ template = self._template_loader.Load( |
+ template_file, |
+ {'DEFINE_CONTAINS': not has_contains}) |
self._members_emitter.Emit(template, E=self._DartType(element_type)) |
def AddAttribute(self, attribute, html_name, read_only): |