Throw TypeError when addEventListener or removeEventListener are called without enough arguments

LayoutTests/fast/dom/event-target-arguments-expected.txt

Index: LayoutTests/fast/dom/event-target-arguments-expected.txt
diff --git a/LayoutTests/fast/dom/event-target-arguments-expected.txt b/LayoutTests/fast/dom/event-target-arguments-expected.txt
index 46d86e5dfb07ad148a8ab18d1177f0550b19871b..a661dc17b844835a1669e1aa3a15211b379ecc87 100644
--- a/LayoutTests/fast/dom/event-target-arguments-expected.txt
+++ b/LayoutTests/fast/dom/event-target-arguments-expected.txt
@@ -5,36 +5,36 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 Signature:
 void addEventListener(DOMString type, EventListener listener, optional boolean useCapture)
-PASS document.addEventListener() is undefined
-PASS document.addEventListener("foo") is undefined
+PASS document.addEventListener() threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 0 present..
+PASS document.addEventListener("foo") threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.addEventListener("foo", listener) did not throw exception.
 PASS document.addEventListener("", listener) did not throw exception.
 PASS document.addEventListener("", function(){}) did not throw exception.
 PASS document.addEventListener("bar", listener, false) did not throw exception.
 PASS document.addEventListener("bar", listener, true) did not throw exception.
-PASS document.addEventListener(null) is undefined
+PASS document.addEventListener(null) threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.addEventListener(null, listener) did not throw exception.
 PASS document.addEventListener("foo", null) is undefined
 PASS document.addEventListener("zork", listener, null) did not throw exception.
-PASS document.addEventListener(undefined) is undefined
+PASS document.addEventListener(undefined) threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.addEventListener(undefined, listener) is undefined
 PASS document.addEventListener("foo", undefined) is undefined
 PASS document.addEventListener("zork", listener, undefined) did not throw exception.
 
 Signature:
 void removeEventListener(DOMString type, EventListener listener, optional boolean useCapture)
-PASS document.removeEventListener() is undefined
-PASS document.removeEventListener("foo") is undefined
+PASS document.removeEventListener() threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 0 present..
+PASS document.removeEventListener("foo") threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.removeEventListener("foo", listener) did not throw exception.
 PASS document.removeEventListener("foo", listener, true) did not throw exception.
 PASS document.removeEventListener("bar", listener, false) did not throw exception.
 PASS document.removeEventListener("bar", listener, false) did not throw exception.
 PASS document.removeEventListener("bar", listener, true) did not throw exception.
-PASS document.removeEventListener(null) is undefined
+PASS document.removeEventListener(null) threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.removeEventListener(null, listener) did not throw exception.
 PASS document.removeEventListener("foo", null) is undefined
 PASS document.removeEventListener("zork", listener, null) did not throw exception.
-PASS document.removeEventListener(undefined) is undefined
+PASS document.removeEventListener(undefined) threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 1 present..
 PASS document.removeEventListener(undefined, listener) is undefined
 PASS document.removeEventListener("foo", undefined) is undefined
 PASS document.removeEventListener("zork", listener, undefined) did not throw exception.