Updated suborigin serialization to latest spec proposal

third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html

Index: third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html b/third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html
index f4e7a3ab00d294ae1f432f57ee26a416d2f4095f..d44071a5c5df5b26fc08f46bec9e0051626955e2 100644
--- a/third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html
+++ b/third_party/WebKit/LayoutTests/http/tests/security/suborigins/suborigin-postmessage.html
@@ -12,14 +12,14 @@ var window_test = async_test("Validate serialization of event.origin and event.s
 window.onmessage = function(event) {
     if (event.data.type === 'iframe') {
         iframe_test.step(function() {
-            assert_equals(event.origin, "http://foobar1_127.0.0.1:8000");
+            assert_equals(event.origin, "http-so://foobar1.127.0.0.1:8000");
             assert_equals(event.suborigin, "foobar1");
             assert_equals(event.data.suborigin,  "foobar1");
             iframe_test.done();
         });
     } else if (event.data.type === 'window') {
         window_test.step(function() {
-            assert_equals(event.origin, "http://foobar2_127.0.0.1:8000");
+            assert_equals(event.origin, "http-so://foobar2.127.0.0.1:8000");
             assert_equals(event.suborigin, "foobar2");
             assert_equals(event.data.suborigin, "foobar2");;
             window_test.done();