CORS-RFC1918: Force preflights for external requests in DocumentThreadableLoader.

third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html

Index: third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html b/third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html
index 2ec2c546c1892bc01ee6edb3d1c2052d8d88b0eb..eee74be3e785939e8564e1203c28ba17d14d4b25 100644
--- a/third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html
+++ b/third_party/WebKit/LayoutTests/http/tests/cookies/same-site/popup-same-site-post.html
@@ -3,24 +3,28 @@
 <script src="/resources/testharnessreport.js"></script>
 <script src="/cookies/resources/testharness-helpers.js"></script>
 <script>
-async_test(t => {
-    clearKnownCookies();
-    document.cookie = STRICT_DOM + "=1; SameSite=Strict; Max-Age=100; path=/";
-    document.cookie = LAX_DOM + "=1; SameSite=Lax; Max-Age=100; path=/";
-    document.cookie = NORMAL_DOM + "=1; Max-Age=100; path=/";
+if (window.location.hostname == "127.0.0.1") {
+    window.location.hostname = ORIGINAL_HOST;
+} else if (window.location.hostname == ORIGINAL_HOST) {
+    async_test(t => {
+        clearKnownCookies();
+        document.cookie = STRICT_DOM + "=1; SameSite=Strict; Max-Age=100; path=/";
+        document.cookie = LAX_DOM + "=1; SameSite=Lax; Max-Age=100; path=/";
+        document.cookie = NORMAL_DOM + "=1; Max-Age=100; path=/";
 
-    window.addEventListener("message", t.step_func_done(e => {
-        assert_equals(e.data.http[STRICT_DOM], "1", "strict");
-        assert_equals(e.data.http[LAX_DOM], "1", "lax");
-        assert_equals(e.data.http[NORMAL_DOM], "1", "normal");
-        assert_equals(e.data.document, STRICT_DOM + "=1; " + LAX_DOM + "=1; " + NORMAL_DOM + "=1");
-        e.source.close();
-    }));
+        window.addEventListener("message", t.step_func_done(e => {
+            assert_equals(e.data.http[STRICT_DOM], "1", "strict");
+            assert_equals(e.data.http[LAX_DOM], "1", "lax");
+            assert_equals(e.data.http[NORMAL_DOM], "1", "normal");
+            assert_equals(e.data.document, STRICT_DOM + "=1; " + LAX_DOM + "=1; " + NORMAL_DOM + "=1");
+            e.source.close();
+        }));
 
-    var f = document.createElement('form');
-    f.action = "http://" + ORIGINAL_HOST + ":8000/cookies/resources/post-cookies-to-opener.php";
-    f.method = "POST";
-    f.target = "_blank";
-    window.onload = t.step_func(f.submit.bind(f));
-}, "'" + ORIGINAL_HOST + "' is same-site with itself, so samesite cookies are sent.");
+        var f = document.createElement('form');
+        f.action = "http://" + ORIGINAL_HOST + ":8000/cookies/resources/post-cookies-to-opener.php";
+        f.method = "POST";
+        f.target = "_blank";
+        window.onload = t.step_func(f.submit.bind(f));
+    }, "'" + ORIGINAL_HOST + "' is same-site with itself, so samesite cookies are sent.");
+}
 </script>