Make customElements.define faster

third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html

Index: third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html
diff --git a/third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html b/third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html
index a61859e8d0aafdae8b5080dd67b8a1538fbed351..3f15bb749b434bf32334a713c85691d3db4c132b 100644
--- a/third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html
+++ b/third_party/WebKit/LayoutTests/custom-elements/spec/define-element.html
@@ -91,13 +91,13 @@ test_with_window((w) => {
 promise_test((t) => {
   return Promise.all([create_window_in_test(t), create_window_in_test(t)])
   .then(([w1, w2]) => {
-    class X extends w2.HTMLElement { };
+    class X extends w1.HTMLElement { };
     w1.customElements.define('first-name', X);
     w2.customElements.define('second-name', X);
     assert_equals(
-      new X().localName, 'second-name',
+      new X().localName, 'first-name',
       'the current global object should determine which definition is ' +
-      'operative; because X extends w2.HTMLElement, w2 is operative');
+      'operative; because X extends w1.HTMLElement, w1 is operative');
   });
 }, 'HTMLElement constructor looks up definitions in the current global-' +
    'reused constructor');