Revert of Remove WheelEvent.initWebKitWheelEvent()

Source/core/events/WheelEvent.cpp

Index: Source/core/events/WheelEvent.cpp
diff --git a/Source/core/events/WheelEvent.cpp b/Source/core/events/WheelEvent.cpp
index 501b7691db31fdc5f8774f71feff5802670b3bed..ac1b81bcaa734e1e7944d37d39c95d789d71b8eb 100644
--- a/Source/core/events/WheelEvent.cpp
+++ b/Source/core/events/WheelEvent.cpp
@@ -76,6 +76,37 @@
     ScriptWrappable::init(this);
 }
 
+void WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtrWillBeRawPtr<AbstractView> view,
+                                int screenX, int screenY, int pageX, int pageY,
+                                bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
+{
+    if (dispatched())
+        return;
+
+    initUIEvent(EventTypeNames::wheel, true, true, view, 0);
+
+    m_screenLocation = IntPoint(screenX, screenY);
+    m_ctrlKey = ctrlKey;
+    m_altKey = altKey;
+    m_shiftKey = shiftKey;
+    m_metaKey = metaKey;
+
+    m_wheelDelta = IntPoint(rawDeltaX * TickMultiplier, rawDeltaY * TickMultiplier);
+    m_deltaX = -rawDeltaX;
+    m_deltaY = -rawDeltaY;
+    m_deltaMode = DOM_DELTA_PIXEL;
+
+    initCoordinates(IntPoint(pageX, pageY));
+}
+
+void WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtrWillBeRawPtr<AbstractView> view,
+                                      int screenX, int screenY, int pageX, int pageY,
+                                      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
+{
+    initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY,
+                   ctrlKey, altKey, shiftKey, metaKey);
+}
+
 const AtomicString& WheelEvent::interfaceName() const
 {
     return EventNames::WheelEvent;