Remove dead notification for number of wheel event handlers

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1296 matching lines @@
 
     computeScaleAndScrollForBlockRect(WebPoint(rect.x, rect.y), rect, nonUserInitiatedPointPadding, minimumPageScaleFactor(), scale, scroll);
 
     if (scale <= pageScaleFactor())
         return false;
 
     startPageScaleAnimation(scroll, false, scale, multipleTargetsZoomAnimationDurationInSeconds);
     return true;
 }
 
-void WebViewImpl::numberOfWheelEventHandlersChanged(unsigned numberOfWheelHandlers)
-{
-    if (m_client)
-        m_client->numberOfWheelEventHandlersChanged(numberOfWheelHandlers);
-}
-
 void WebViewImpl::hasTouchEventHandlers(bool hasTouchHandlers)
 {
     if (m_client)
         m_client->hasTouchEventHandlers(hasTouchHandlers);
 }
 
 bool WebViewImpl::hasTouchEventHandlersAt(const WebPoint& point)
 {
     // FIXME: Implement this. Note that the point must be divided by pageScaleFactor.
     return true;
@@ skipping 2730 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink