AppCache error details tests

LayoutTests/http/tests/appcache/obsolete-error-events-expected.txt

Index: LayoutTests/http/tests/appcache/obsolete-error-events-expected.txt
diff --git a/LayoutTests/http/tests/appcache/obsolete-error-events-expected.txt b/LayoutTests/http/tests/appcache/obsolete-error-events-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a229cf656eb0f9346e33993ab6ccf8613161a873
--- /dev/null
+++ b/LayoutTests/http/tests/appcache/obsolete-error-events-expected.txt
@@ -0,0 +1,14 @@
+Test that master list entries receive errors when manifest becomes obsolete.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS eventDetailsFromWindow.type is "obsolete"
+PASS eventDetailsFromFrame.type is "error"
+PASS eventDetailsFromFrame.reason is "manifest"
+PASS eventDetailsFromFrame.url is ""
+PASS eventDetailsFromFrame.status is 404
+PASS successfullyParsed is true
+
+TEST COMPLETE
+