1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/referrer-policy/generic/inheritance/resources/make-html-script.js b/testing/web-platform/tests/referrer-policy/generic/inheritance/resources/make-html-script.js
new file mode 100644
index 0000000000..6c2c145c4e
--- /dev/null
+++ b/testing/web-platform/tests/referrer-policy/generic/inheritance/resources/make-html-script.js
@@ -0,0 +1,19 @@
+function createScriptString(origin, referrer) {
+  let request_init = referrer ? `{referrer: "${referrer}"}` : "";
+  return `<script>
+            function checkReferrer() {
+              fetch("${origin}/common/security-features/subresource/xhr.py",
+                    ${request_init})
+                .then(r => r.json())
+                .then(j => {
+                  top.postMessage({referrer: j.headers.referer}, "*")
+                }).catch(e => {
+                  top.postMessage({referrer: "FAILURE"}, "*");
+                });
+            }
+            checkReferrer();
+            window.addEventListener("message", msg => {
+              if (msg.data === "checkReferrer") checkReferrer();
+            });
+          <\/script>`;
+}