Remove dead notification for number of wheel event handlers

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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.
@@ skipping 758 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(0 <= dismissal && dismissal < static_cast<int>(arraysize(kDismissals)));
 
     blink::Platform::current()->histogramEnumeration("Renderer.ModalDialogsDuringPageDismissal", dismissal * arraysize(kDialogs) + dialog, arraysize(kDialogs) * arraysize(kDismissals));
 
     String message = String("Blocked ") + kDialogs[dialog] + "('" + dialogMessage + "') during " + kDismissals[dismissal] + ".";
     m_webView->mainFrame()->addMessageToConsole(WebConsoleMessage(WebConsoleMessage::LevelError, message));
 
     return false;
 }
 
-void ChromeClientImpl::numWheelEventHandlersChanged(unsigned numberOfWheelHandlers)
-{
-    m_webView->numberOfWheelEventHandlersChanged(numberOfWheelHandlers);
-}
-
 void ChromeClientImpl::needTouchEvents(bool needsTouchEvents)
 {
     m_webView->hasTouchEventHandlers(needsTouchEvents);
 }
 
 void ChromeClientImpl::setTouchAction(TouchAction touchAction)
 {
     if (WebViewClient* client = m_webView->client()) {
         WebTouchAction webTouchAction = static_cast<WebTouchAction>(touchAction);
         client->setTouchAction(webTouchAction);
@@ skipping 114 matching lines @@
 {
     return static_cast<NavigatorContentUtilsClient::CustomHandlersState>(m_webView->client()->isProtocolHandlerRegistered(scheme, baseURL, url));
 }
 
 void NavigatorContentUtilsClientImpl::unregisterProtocolHandler(const String& scheme, const WebCore::KURL& baseURL, const WebCore::KURL& url)
 {
     m_webView->client()->unregisterProtocolHandler(scheme, baseURL, url);
 }
 
 } // namespace blink