Remove dead notification for number of wheel event handlers

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 8198f2d145471b40052ef1171e54f17b62d835ed..ca36ffde9155b3324bee978e2420ffe8895d0c4f 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -990,8 +990,6 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
                         OnDidChangeScrollOffset)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame,
                         OnDidChangeScrollOffsetPinningForMainFrame)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeNumWheelEvents,
-                        OnDidChangeNumWheelEvents)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteCloseEvent,
                         OnRouteCloseEvent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteMessageEvent, OnRouteMessageEvent)
@@ -1216,9 +1214,6 @@ void RenderViewHostImpl::OnDidChangeScrollOffsetPinningForMainFrame(
     view_->SetScrollOffsetPinning(is_pinned_to_left, is_pinned_to_right);
 }
 
-void RenderViewHostImpl::OnDidChangeNumWheelEvents(int count) {
-}
-
 void RenderViewHostImpl::OnRouteCloseEvent() {
   // Have the delegate route this to the active RenderViewHost.
   delegate_->RouteCloseEvent(this);