Block execution of failed 'crossorigin' <script>s.

LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html

Index: LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html
diff --git a/LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html b/LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html
index 3edbe3007e573230afe8fb7f60e30b943a8bdfd7..9c25b55a633cddc18099986d96f9f39f65576ead 100644
--- a/LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html
+++ b/LayoutTests/http/tests/security/script-onerror-crossorigin-no-cors.html
@@ -5,23 +5,24 @@
     <script src="../../js-test-resources/js-test-pre.js"></script>
     <script>
         window.jsTestIsAsync = true;
-        description("The test passes if 'window.onerror' gets sanitized information about an exception thrown in a script loaded with a 'crossorigin' attribute, and delivered without valid CORS headers.");
+        description("The test passes if 'window.onerror' is not invoked on a script loaded with a 'crossorigin' attribute, but delivered without valid CORS headers.");
+
+        var still_running = true;
+        function shutdown() {
+            if (still_running) {
+                finishJSTest();
+                still_running = false;
+            }
+        }
 
         window.onerror = function(msg, url, line, column, error) {
-            window.msg = msg;
-            window.url = url;
-            window.line = line;
-            window.column = column;
-            window.errorObject = error;
-            shouldBeEqualToString("msg", "Script error.");
-            shouldBeEqualToString("url", "");
-            shouldBe("line", "0");
-            shouldBe("column", "0");
-            shouldBeNull("window.errorObject");
-            finishJSTest();
+            window.fail = "FAIL";
+            shouldBeUndefined("window.fail");
+            shutdown();
         }
     </script>
     <script crossorigin="anonymous" src="http://localhost:8000/security/resources/cors-script.php?fail=true&cors=false"></script>
     <script src="../../js-test-resources/js-test-post.js"></script>
+    <script>shutdown();</script>
 </body>
 </html>