Import wpt@306326cfe973b6c7019c50879ad03b02825c7539

third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js

Index: third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js
index 20ae66b4fae6b64f5de4a501098daeb76a0698d0..956c562a76a2883c35281d19030a8f52028871c9 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js
+++ b/third_party/WebKit/LayoutTests/imported/wpt/custom-elements/resources/custom-elements-helpers.js
@@ -79,6 +79,15 @@ function assert_disconnected_log_entry(log, element) {
     assert_equals(log.element, element);
 }
 
+function assert_adopted_log_entry(log, element) {
+    assert_equals(log.type, 'adopted');
+    assert_equals(log.element, element);
+}
+
+function create_adopted_callback_log(element) {
+    return {type: 'adopted', element: element};
+}
+
 function create_attribute_changed_callback_log(element, name, oldValue, newValue, namespace) {
     return {
         type: 'attributeChanged',