Check for equality of the URL's origin in replaceState/pushState

third_party/WebKit/LayoutTests/http/tests/navigation/pushstate-whitelisted-denied.html

Index: third_party/WebKit/LayoutTests/http/tests/navigation/pushstate-whitelisted-denied.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/navigation/pushstate-whitelisted-denied.html b/third_party/WebKit/LayoutTests/http/tests/navigation/pushstate-whitelisted-denied.html
new file mode 100644
index 0000000000000000000000000000000000000000..2c646594248acfd4e6cd476d479405d057f88ccb
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/navigation/pushstate-whitelisted-denied.html
@@ -0,0 +1,17 @@
+<script>
+if (window.testRunner) {
+    testRunner.dumpAsText();
+    testRunner.addOriginAccessWhitelistEntry(location.origin, location.protocol, '', false);
+}
+
+var otherOrigin = new URL(document.URL);
+otherOrigin.port = otherOrigin.port ? otherOrigin.port ^ 0xFFFF : 1337;
+otherOrigin = otherOrigin.href;
+
+try {
+    history.pushState(null, null, otherOrigin);
+    document.write("FAIL: pushState to different origin succeeded.");
+} catch(e) {
+    document.write("PASS: pushState to different origin was blocked.");
+}
+</script>