Use null for default value of event handler attributes in XMLHttpRequest....

webkit/data/layout_tests/chrome/fast/js/resources/js-test-pre.js

Index: webkit/data/layout_tests/chrome/fast/js/resources/js-test-pre.js
===================================================================
--- webkit/data/layout_tests/chrome/fast/js/resources/js-test-pre.js	(revision 13843)
+++ webkit/data/layout_tests/chrome/fast/js/resources/js-test-pre.js	(working copy)
@@ -83,6 +83,24 @@
 function shouldBeFalse(_a) { shouldBe(_a, "false"); }
 function shouldBeNaN(_a) { shouldBe(_a, "NaN"); }
 
+function shouldBeNull(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + " should be null.  Threw exception " + exception);
+  else if (_av == null)
+    testPassed(_a + " is null.");
+  else
+    testFailed(_a + " should be null. was " + _av);
+}

[Pam (message me for reviews), 2009/04/16 21:59:31]

function shouldBeNull() already exists in the real version of this file (as
opposed to our forked copy).

+
 function shouldBeUndefined(_a)
 {
   var exception;