Add EventHandlerRegistry

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
diff --git a/Source/core/frame/LocalFrame.cpp b/Source/core/frame/LocalFrame.cpp
index 2add1aad732196d33bc1e784553a03c8878c3438..efe1b1a6c9c82c9522966d8bd23448efdcb59cc0 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -33,7 +33,7 @@
 #include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/ScriptController.h"
 #include "core/dom/DocumentType.h"
-#include "core/dom/WheelController.h"
+#include "core/dom/EventHandlerRegistry.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
@@ -504,7 +504,7 @@ void LocalFrame::notifyChromeClientWheelEventHandlerCountChanged() const
     unsigned count = 0;
     for (const LocalFrame* frame = this; frame; frame = frame->tree().traverseNext()) {
         if (frame->document())
-            count += WheelController::from(*frame->document())->wheelEventHandlerCount();
+            count += EventHandlerRegistry::from(*frame->document())->wheelEventHandlerCount();
     }
 
     m_host->chrome().client().numWheelEventHandlersChanged(count);