Add 'error' parameter to 'window.onerror' handlers.

LayoutTests/fast/events/window-onerror-11-expected.txt

Index: LayoutTests/fast/events/window-onerror-11-expected.txt
diff --git a/LayoutTests/fast/events/window-onerror-11-expected.txt b/LayoutTests/fast/events/window-onerror-11-expected.txt
index 45f136ff2f637ad6f5d5d1a516875824dcb549dd..d3480769b1fe9a0b65be0d593b82e98e31509a21 100644
--- a/LayoutTests/fast/events/window-onerror-11-expected.txt
+++ b/LayoutTests/fast/events/window-onerror-11-expected.txt
@@ -4,11 +4,32 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 
 window.onerror: "Uncaught SyntaxError: Unexpected token %" at window-onerror-11.html (Line: 11, Column: 77)
+Stack Trace:
+SyntaxError: Unexpected token %
+    at window-onerror-11.html:31:24
+
 Returning 'true': the error should not be reported in the console as an unhandled exception.
+
+
+
 window.onerror: "Uncaught SyntaxError: Unexpected token %" at window-onerror-11.html (Line: 33, Column: 77)
+Stack Trace:
+SyntaxError: Unexpected token %
+    at window-onerror-11.html:31:24
+
 Returning 'true': the error should not be reported in the console as an unhandled exception.
+
+
+
 window.onerror: "Uncaught SyntaxError: Unexpected token %" at window-onerror-11.html (Line: 33, Column: 77)
+Stack Trace:
+SyntaxError: Unexpected token %
+    at window-onerror-11.html:31:24
+
 Returning 'true': the error should not be reported in the console as an unhandled exception.
+
+
+
 PASS successfullyParsed is true
 
 TEST COMPLETE