diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-failure.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-failure.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-failure.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-failure.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-messagechannel.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-messagechannel.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-messagechannel.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-messagechannel.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html.headers b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html.headers
index ecf0732c94334..5193f3c73805d 100644
--- a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html.headers
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html.headers
@@ -19,4 +19,4 @@ Policy
:
cross
-
-site
+origin