Migrate touch events to EventHandlerRegistry

Source/core/frame/DOMWindow.cpp

Index: Source/core/frame/DOMWindow.cpp
diff --git a/Source/core/frame/DOMWindow.cpp b/Source/core/frame/DOMWindow.cpp
index 87085bb74e1a3061a2fde3063a3a7dd785fa71c0..ae3144d4a63595d7321affa0f52c5115891a2dba 100644
--- a/Source/core/frame/DOMWindow.cpp
+++ b/Source/core/frame/DOMWindow.cpp
@@ -414,12 +414,6 @@ PassRefPtrWillBeRawPtr<Document> DOMWindow::installNewDocument(const String& mim
     }
 
     m_frame->selection().updateSecureKeyboardEntryIfActive();
-
-    if (m_frame->isMainFrame()) {
-        if (m_document->hasTouchEventHandlers())
-            m_frame->host()->chrome().client().needTouchEvents(true);
-    }
-
     // FIXME: Oilpan: Remove .get() when m_document becomes Member<>.
     return m_document.get();
 }
@@ -1543,9 +1537,7 @@ bool DOMWindow::addEventListener(const AtomicString& eventType, PassRefPtr<Event
 
     if (Document* document = this->document()) {
         document->addListenerTypeIfNeeded(eventType);
-        if (isTouchEventType(eventType))
-            document->didAddTouchEventHandler(document);
-        else if (eventType == EventTypeNames::storage)
+        if (eventType == EventTypeNames::storage)
             didAddStorageEventListener(this);
     }
 
@@ -1578,11 +1570,6 @@ bool DOMWindow::removeEventListener(const AtomicString& eventType, EventListener
     if (m_frame && m_frame->host())
         m_frame->host()->eventHandlerRegistry().didRemoveEventHandler(*this, eventType);
 
-    if (Document* document = this->document()) {
-        if (isTouchEventType(eventType))
-            document->didRemoveTouchEventHandler(document);
-    }
-
     lifecycleNotifier().notifyRemoveEventListener(this, eventType);
 
     if (eventType == EventTypeNames::unload) {
@@ -1651,9 +1638,6 @@ void DOMWindow::removeAllEventListenersInternal(BroadcastListenerRemoval mode)
     if (mode == DoBroadcastListenerRemoval) {
         if (m_frame && m_frame->host())
             m_frame->host()->eventHandlerRegistry().didRemoveAllEventHandlers(*this);
-
-        if (Document* document = this->document())
-            document->didClearTouchEventHandlers(document);
     }
 
     removeAllUnloadEventListeners(this);