Experimental Feature: Allow-CSP-From header

third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/child-csp-test.js

+var CROSS_ORIGIN_URL = "http://localhost:8000/security/contentSecurityPolicy/resources/respond-with-allow-csp-from-header.php";
+var SAME_ORIGIN_URL = "http://127.0.0.1:8000/security/contentSecurityPolicy/resources/respond-with-allow-csp-from-header.php";
+
+var EXPECT_BLOCK = true;
+var EXPECT_LOAD = false;
+
+var CROSS_ORIGIN = true;
+var SAME_ORIGIN = false;
+
+function injectIframeWithCSP(url, shouldBlock, csp, t, urlId) {
+    var i = document.createElement('iframe');
+    i.src = url + "&id=" + urlId;
+    i.csp = csp;
+
+    var loaded = {};
+    window.addEventListener("message", function (e) {
+        if (e.source != i.contentWindow)
+            return;
+        if (e.data["loaded"])
+            loaded[e.data["id"]] = true;
+    });
+
+    if (shouldBlock) {
+        window.onmessage = t.unreached_func('No message should be sent from the frame.');
+        i.onload = t.step_func(function () {
+            // Delay the check until after the postMessage has a chance to execute.
+            setTimeout(t.step_func_done(function () {
+                 assert_equals(loaded[urlId], undefined);
+            }), 1);
+        });
+    } else {
+        document.addEventListener("securitypolicyviolation",
+            t.unreached_func("There should not be any violations."));
+        i.onload = t.step_func(function () {
+            // Delay the check until after the postMessage has a chance to execute.
+            setTimeout(t.step_func_done(function () {
+                 assert_true(loaded[urlId]);
+            }), 1);
+        });
+    }
+    document.body.appendChild(i);
+}
+function generateUrlWithAllowCSPFrom(useCrossOrigin, allowCspFrom) {
+    var url = useCrossOrigin ? CROSS_ORIGIN_URL : SAME_ORIGIN_URL;
+    return url + "?allow_csp_from=" + allowCspFrom;
+}