diff --git a/focus/support/activeelement-after-calling-window-focus-middle.sub.html b/focus/support/activeelement-after-calling-window-focus-middle.sub.html
index c5a0d60a71de37..da5164e4252efa 100644
--- a/focus/support/activeelement-after-calling-window-focus-middle.sub.html
+++ b/focus/support/activeelement-after-calling-window-focus-middle.sub.html
@@ -2,7 +2,7 @@
 <meta charset="utf-8">
 <title>Focus test middle document</title>
 <h1>Middle</h1><br>
-<iframe src="https://{{hosts[][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-inner.html"></iframe>
+<iframe allow="focus-without-user-activation" src="https://{{hosts[][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-inner.html"></iframe>
 <script>
 let middlelog = "middlelog:";
 
diff --git a/focus/support/activeelement-after-calling-window-focus-outer-different.sub.html b/focus/support/activeelement-after-calling-window-focus-outer-different.sub.html
index 2cddcf233dbd61..bbbb50d4e4576a 100644
--- a/focus/support/activeelement-after-calling-window-focus-outer-different.sub.html
+++ b/focus/support/activeelement-after-calling-window-focus-outer-different.sub.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>Focus test outer document</title>
-<iframe src="https://{{hosts[alt][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-middle.sub.html"></iframe>
+<iframe allow="focus-without-user-activation" src="https://{{hosts[alt][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-middle.sub.html"></iframe>
 <script>
 let outerlog = "outerlog:";
 
diff --git a/focus/support/activeelement-after-calling-window-focus-outer-same.sub.html b/focus/support/activeelement-after-calling-window-focus-outer-same.sub.html
index 4833e94bc9414c..b3ce29e20d27d6 100644
--- a/focus/support/activeelement-after-calling-window-focus-outer-same.sub.html
+++ b/focus/support/activeelement-after-calling-window-focus-outer-same.sub.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>Focus test outer document</title>
-<iframe src="https://{{hosts[][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-middle.sub.html"></iframe>
+<iframe allow="focus-without-user-activation" src="https://{{hosts[][www]}}:{{ports[https][0]}}/focus/support/activeelement-after-calling-window-focus-middle.sub.html"></iframe>
 <script>
 let outerlog = "outerlog:";
 
diff --git a/focus/support/activeelement-after-focusing-different-site-iframe-outer-contentwindow.sub.html b/focus/support/activeelement-after-focusing-different-site-iframe-outer-contentwindow.sub.html
index fd66cbaa55c204..4a9a9a110d9fd2 100644
--- a/focus/support/activeelement-after-focusing-different-site-iframe-outer-contentwindow.sub.html
+++ b/focus/support/activeelement-after-focusing-different-site-iframe-outer-contentwindow.sub.html
@@ -26,4 +26,4 @@
     }, 1500);
 }
 </script>
-<iframe src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/activeelement-after-focusing-different-site-iframe-inner-contentwindow.html"></iframe>
+<iframe allow="focus-without-user-activation" src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/activeelement-after-focusing-different-site-iframe-inner-contentwindow.html"></iframe>
diff --git a/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html b/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html
index e3a5facf82e4c0..c59e3ec703f32b 100644
--- a/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html
+++ b/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>iframe.contentWindow.focus() with different-site intermediate frame middle</title>
-<iframe src="http://{{hosts[][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-inner.html"></iframe>
+<iframe allow="focus-without-user-activation" src="http://{{hosts[][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-inner.html"></iframe>
 <script>
 let iframe = document.getElementsByTagName("iframe")[0];
 let log = "";
diff --git a/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-outer.sub.html b/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-outer.sub.html
index 9dbb6af9d9a4dd..cc5412dfb488fa 100644
--- a/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-outer.sub.html
+++ b/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-outer.sub.html
@@ -19,4 +19,4 @@
     }, 3000);
 }
 </script>
-<iframe src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html"></iframe>
+<iframe allow="focus-without-user-activation" src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-different-site-intermediate-frame-middle.sub.html"></iframe>
diff --git a/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html b/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html
index 747e1467466eab..a94a03101c587d 100644
--- a/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html
+++ b/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>iframe.contentWindow.focus() with same-as-top intermediate frame middle</title>
-<iframe src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-inner.html"></iframe>
+<iframe allow="focus-without-user-activation" src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-inner.html"></iframe>
 <script>
 let iframe = document.getElementsByTagName("iframe")[0];
 let log = "";
diff --git a/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-outer.html b/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-outer.html
index 71cfe78c0d7614..bd96a9680cef6c 100644
--- a/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-outer.html
+++ b/focus/support/iframe-contentwindow-focus-with-same-as-top-intermediate-frame-outer.html
@@ -19,4 +19,4 @@
     }, 2000);
 }
 </script>
-<iframe src="iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html"></iframe>
+<iframe allow="focus-without-user-activation" src="iframe-contentwindow-focus-with-same-as-top-intermediate-frame-middle.sub.html"></iframe>
diff --git a/focus/support/iframe-focus-with-different-site-intermediate-frame-outer.sub.html b/focus/support/iframe-focus-with-different-site-intermediate-frame-outer.sub.html
index 5e80410206d0d2..299f3787b3a795 100644
--- a/focus/support/iframe-focus-with-different-site-intermediate-frame-outer.sub.html
+++ b/focus/support/iframe-focus-with-different-site-intermediate-frame-outer.sub.html
@@ -19,4 +19,4 @@
     }, 3000);
 }
 </script>
-<iframe src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-focus-with-different-site-intermediate-frame-middle.sub.html"></iframe>
+<iframe allow="focus-without-user-activation" src="http://{{hosts[alt][www]}}:{{ports[http][0]}}/focus/support/iframe-focus-with-different-site-intermediate-frame-middle.sub.html"></iframe>
diff --git a/generic-sensor/generic-sensor-iframe-tests.sub.js b/generic-sensor/generic-sensor-iframe-tests.sub.js
index ed3415e66ec799..277d5d0ea9b290 100644
--- a/generic-sensor/generic-sensor-iframe-tests.sub.js
+++ b/generic-sensor/generic-sensor-iframe-tests.sub.js
@@ -96,7 +96,7 @@ function run_generic_sensor_iframe_tests(sensorData, readingData) {
 
     // Create cross-origin iframe and a sensor inside it.
     const iframe = document.createElement('iframe');
-    iframe.allow = featurePolicies.join(';') + ';';
+    iframe.allow = featurePolicies.join(';') + '; focus-without-user-activation;';
     iframe.src =
         'https://{{domains[www1]}}:{{ports[https][0]}}/generic-sensor/resources/iframe_sensor_handler.html';
     const iframeLoadWatcher = new EventWatcher(t, iframe, 'load');
diff --git a/permissions-policy/experimental-features/focus-without-user-activation-default-permissions-policy.tentative.https.sub.html b/permissions-policy/experimental-features/focus-without-user-activation-default-permissions-policy.tentative.https.sub.html
new file mode 100644
index 00000000000000..9ca1426040c6ed
--- /dev/null
+++ b/permissions-policy/experimental-features/focus-without-user-activation-default-permissions-policy.tentative.https.sub.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<title>Focus without user activation container policy test</title>
+
+<body>
+  <script src=/resources/testharness.js></script>
+  <script src=/resources/testharnessreport.js></script>
+  <script src=/permissions-policy/resources/permissions-policy.js></script>
+  <script>
+    'use strict';
+    var same_origin_src = '/permissions-policy/experimental-features/resources/permissions-policy-focus-without-user-activation.html';
+    var cross_origin_src = 'https://{{domains[www]}}:{{ports[https][0]}}' +
+      same_origin_src;
+    const header = 'Default "focus-without-user-activation" permissions policy [self]';
+    async_test(t => {
+      test_feature_availability(
+        'focus-without-user-activation', t, same_origin_src, expect_feature_available_default);
+    }, header + " allows same-origin iframes.");
+
+    async_test(t => {
+      test_feature_availability(
+        'focus-without-user-activation', t, cross_origin_src, expect_feature_unavailable_default);
+    }, header + " doesn't allow cross-origin iframes.");
+  </script>
+</body>
\ No newline at end of file
diff --git a/permissions-policy/experimental-features/resources/permissions-policy-focus-without-user-activation.html b/permissions-policy/experimental-features/resources/permissions-policy-focus-without-user-activation.html
new file mode 100644
index 00000000000000..c802d6f06999e5
--- /dev/null
+++ b/permissions-policy/experimental-features/resources/permissions-policy-focus-without-user-activation.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<script>
+  'use strict';
+  function post_result(enabled) {
+    parent.postMessage({ type: 'availability-result', enabled }, "*");
+  }
+
+  window.onload = function () {
+    post_result(document.featurePolicy.allowedFeatures().includes("focus-without-user-activation"));
+  }
+</script>
\ No newline at end of file
