Auto merge of #27832 - servo-wpt-sync:wpt_update_25-11-2020, r=servo-wpt-sync

Sync WPT with upstream (25-11-2020)

Automated downstream sync of changes from upstream as of 25-11-2020.
[no-wpt-sync]
r? @servo-wpt-sync

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/wpt/web-platform-tests/measure-memory/window-open.cross-site.tentative.https.window.js b/tests/wpt/web-platform-tests/measure-memory/window-open.cross-site.tentative.https.window.js
new file mode 100644
index 00000000000..f70ad9df32b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/measure-memory/window-open.cross-site.tentative.https.window.js
@@ -0,0 +1,35 @@
+// META: script=/common/get-host-info.sub.js
+// META: script=./resources/common.js
+// META: timeout=long
+'use strict';
+
+assert_true(self.crossOriginIsolated);
+
+promise_test(async testCase => {
+  const {iframes, windows} = await build([
+    {
+      id: 'cross-site-1',
+      window_open: true,
+      children: [
+        {
+          id: 'same-origin-2',
+          window_open: true,
+        },
+        {
+          id: 'same-origin-3',
+        },
+        {
+          id: 'cross-origin-4',
+        },
+      ]
+    },
+  ]);
+  const result = await performance.measureMemory();
+  checkMeasureMemory(result, [
+    {
+      url: window.location.href,
+      scope: 'Window',
+      container: null,
+    },
+  ]);
+}, 'performance.measureMemory does not leak URL of cross-site window.open.');