1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/support/history-restore-anchors-new-window.html b/testing/web-platform/tests/css/css-scroll-anchoring/support/history-restore-anchors-new-window.html
new file mode 100644
index 0000000000..bd8290e793
--- /dev/null
+++ b/testing/web-platform/tests/css/css-scroll-anchoring/support/history-restore-anchors-new-window.html
@@ -0,0 +1,29 @@
+<style>
+  body {
+    margin: 0px;
+    height: 2000px;
+    width: 2000px;
+  }
+
+  #first {
+    height: 1000px;
+    background-color: #FFA5D2;
+  }
+
+  #anchor {
+    position: absolute;
+    background-color: #84BE6A;
+    height: 600px;
+    width: 100%;
+  }
+</style>
+
+<div id="first"></div>
+<div id="changer"></div>
+<div id="anchor"></div>
+
+<script>
+onload = function() {
+  opener.postMessage("loaded", "*");
+}
+</script>