Throw exceptions on all failed cross-origin access checks.

LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt

Index: LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt
diff --git a/LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt b/LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt
index f34dbddf39419e2c87d207a243b367bb168efade..47a81a181eb8c0228a5409103fd6ab4a2c12cddf 100644
--- a/LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt
+++ b/LayoutTests/http/tests/security/aboutBlank/xss-DENIED-set-opener-expected.txt
@@ -1,6 +1,5 @@
 CONSOLE MESSAGE: Blocked a frame with origin "http://127.0.0.1:8000" from accessing a frame with origin "http://localhost:8000". Protocols, domains, and ports must match.
-CONSOLE MESSAGE: Blocked a frame with origin "http://127.0.0.1:8000" from accessing a frame with origin "http://localhost:8000". Protocols, domains, and ports must match.
-CONSOLE MESSAGE: line 1: Uncaught TypeError: Cannot read property 'body' of undefined
+CONSOLE MESSAGE: line 1: Uncaught SecurityError: Blocked a frame with origin "http://127.0.0.1:8000" from accessing a frame with origin "http://localhost:8000". Protocols, domains, and ports must match.
 This page opens a window to "", injects malicious code, and then uses window.open.call to set its opener to the victim. The opened window then tries to scripts its opener.
 Code injected into window:
 <script>function write(target, message) { target.document.body.innerHTML = message; }