Embedding-CSP: Ports subsumption

third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html

Index: third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html b/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html
index d05e23f79d10942920662b4b45705bf74f4d2d47..f5bf03fc72ade80ed097ddab96a2c1cf48311bfc 100644
--- a/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html
+++ b/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/embeddedEnforcement/subsumption_algorithm-general.html
@@ -52,6 +52,13 @@
           url = generateUrlWithCSP(CROSS_ORIGIN, returned_csp);
           injectIframeWithCSP(url, EXPECT_LOAD, required_csp, t, "6");
         }, "Iframe with a matching and more restrictive ports should load.");
+
+      async_test(t => {
+          required_csp = "frame-src http://b.com:80";
+          returned_csp = "child-src https://b.com:443";
+          url = generateUrlWithCSP(CROSS_ORIGIN, returned_csp);
+          injectIframeWithCSP(url, EXPECT_LOAD, required_csp, t, "7");
+        }, "Iframe must load even if the ports are different but are default for the protocols.");
     </script>
 </body>
 </html>