Fix problems with cross-origin redirects.

LayoutTests/http/tests/xmlhttprequest/access-control-and-redirects.html

 <p>Tests that redirects between origins are never allowed, even when access control is involved.</p>
 <p>Per the spec, these test cases should be allowed, but cross-origin redirects are currently unsupported in WebCore.</p>
 
 <pre id="console"></pre>
 <script>
 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.waitUntilDone();
 }
 
@@ skipping 27 matching lines @@
         nextTest();
     }
     req.onerror = function() {
         log((expectAsyncSuccess ? "FAIL" : "PASS") + ": " + req.status);
         nextTest();
     }
     req.send(null);
 }
 
 var tests = [
-    ["/resources/redirect.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow.cgi", false, false],
+    ["/resources/redirect.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow.cgi", false, true],
     ["http://localhost:8000/resources/redirect.php?url=http://127.0.0.1:8000/xmlhttprequest/resources/access-control-basic-allow.cgi", false, false],
     ["http://localhost:8000/resources/redirect.php?url=http://localhost:8000/xmlhttprequest/resources/access-control-basic-allow.cgi", false, false]
 ]
 
 var currentTest = 0;
 
 function nextTest() {
     if (currentTest < tests.length)
         runTest.apply(null, tests[currentTest++]);
     else if (window.testRunner)
         testRunner.notifyDone();
 }
 
 nextTest();
 </script>