Add support for DOM Level 3 WheelEvent

LayoutTests/fast/events/wheelevent-basic-expected.txt

Index: LayoutTests/fast/events/wheelevent-basic-expected.txt
diff --git a/LayoutTests/fast/events/wheelevent-basic-expected.txt b/LayoutTests/fast/events/wheelevent-basic-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88fcebd61947c6da2070c141256e922932e2ce06
--- /dev/null
+++ b/LayoutTests/fast/events/wheelevent-basic-expected.txt
@@ -0,0 +1,24 @@
+Tests the basic functionality of the standard wheel event
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS WheelEvent.__proto__ is MouseEvent
+PASS WheelEvent.prototype.__proto__ is MouseEvent.prototype
+PASS WheelEvent.DOM_DELTA_PIXEL is 0x00
+PASS WheelEvent.DOM_DELTA_LINE is 0x01
+PASS WheelEvent.DOM_DELTA_PAGE is 0x02
+PASS window.onwheel is null
+PASS document.onwheel is null
+PASS testDiv.onwheel is null
+PASS testEvent.__proto__ is WheelEvent.prototype
+PASS testEvent.__proto__.__proto__ is MouseEvent.prototype
+PASS testEvent.deltaX is expectedDeltaX
+PASS testEvent.deltaY is expectedDeltaY
+PASS testEvent.deltaZ is 0
+PASS testEvent.deltaMode is WheelEvent.DOM_DELTA_PIXEL
+PASS successfullyParsed is true
+
+TEST COMPLETE
+TOP TOP TOP TOP TOP TOP TOP Scroll mouse wheel over here Scroll mouse wheel over here Scroll mouse wheel over here Scroll mouse wheel over here Scroll mouse wheel over here Scroll mouse wheel over here END END END END END END END
+