Remove dead notification for number of wheel event handlers

Source/core/frame/EventHandlerRegistry.cpp

Index: Source/core/frame/EventHandlerRegistry.cpp
diff --git a/Source/core/frame/EventHandlerRegistry.cpp b/Source/core/frame/EventHandlerRegistry.cpp
index 3e3d38b5ae39a6dda1ec9f5e59da3fb9f7bd11b5..478ce65904bdb1af7e12f1fe21ad465f5021fc4b 100644
--- a/Source/core/frame/EventHandlerRegistry.cpp
+++ b/Source/core/frame/EventHandlerRegistry.cpp
@@ -157,7 +157,6 @@ void EventHandlerRegistry::updateAllEventHandlers(ChangeOperation op, EventTarge
 void EventHandlerRegistry::notifyHasHandlersChanged(EventHandlerClass handlerClass, bool hasActiveHandlers)
 {
     ScrollingCoordinator* scrollingCoordinator = m_frameHost.page().scrollingCoordinator();
-    LocalFrame* mainFrame = m_frameHost.page().mainFrame();
 
     switch (handlerClass) {
     case ScrollEvent:
@@ -165,10 +164,6 @@ void EventHandlerRegistry::notifyHasHandlersChanged(EventHandlerClass handlerCla
             scrollingCoordinator->updateHaveScrollEventHandlers();
         break;
     case WheelEvent:
-        if (mainFrame) {
-            // FIXME: This notification is wired up to a black hole, so remove it.
-            mainFrame->notifyChromeClientWheelEventHandlerCountChanged();
-        }
         if (scrollingCoordinator)
             scrollingCoordinator->updateHaveWheelEventHandlers();
         break;