Index: tools/dom/scripts/systemhtml.py |
diff --git a/tools/dom/scripts/systemhtml.py b/tools/dom/scripts/systemhtml.py |
index 99c27e78ca19c4f38b2bd85bdb070feb6ee5fdd9..610edde2e9fe05fa275b757c1b58e927b02a0746 100644 |
--- a/tools/dom/scripts/systemhtml.py |
+++ b/tools/dom/scripts/systemhtml.py |
@@ -49,6 +49,7 @@ _js_custom_members = monitored.Set('systemhtml._js_custom_members', [ |
'Element.remove', |
'ElementEvents.mouseWheel', |
'ElementEvents.transitionEnd', |
+ 'Event.returnValue', |
'DOMException.name', |
'HTMLTableElement.createTBody', |
'IDBDatabase.transaction', |