Add EventHandlerRegistry

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index e0301a0034d9d5e7edd6564342e4facd19597c63..fd0f79e240b7e8bf8be146674400d2b61c9b8815 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -36,6 +36,7 @@
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentMarkerController.h"
+#include "core/dom/EventHandlerRegistry.h"
 #include "core/dom/FullscreenElementStack.h"
 #include "core/dom/NodeRenderingTraversal.h"
 #include "core/dom/TouchList.h"
@@ -3672,7 +3673,7 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
                 m_originatingTouchPointDocument = &doc;
                 freshTouchEvents = false;
             }
-            if (!doc.hasTouchEventHandlers())
+            if (!EventHandlerRegistry::from(doc)->eventHandlerCount(EventHandlerRegistry::TouchEvent))
                 continue;
             m_originatingTouchPointTargets.set(touchPointTargetKey, node);
             touchTarget = node;
@@ -3692,7 +3693,7 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
         if (!touchTarget.get())
             continue;
         Document& doc = touchTarget->toNode()->document();
-        if (!doc.hasTouchEventHandlers())
+        if (!EventHandlerRegistry::from(doc)->eventHandlerCount(EventHandlerRegistry::TouchEvent))
             continue;
         LocalFrame* targetFrame = doc.frame();
         if (!targetFrame)