Create MouseEventManager and EventHandlingUtil

third_party/WebKit/Source/core/input/TouchEventManager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TouchEventManager_h
 #define TouchEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEventFactory.h"
 #include "platform/UserGestureIndicator.h"
 #include "public/platform/WebInputEventResult.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 
 
 namespace blink {
 
 class LocalFrame;
 class Document;
 class PlatformTouchEvent;
 
 // This class takes care of dispatching all touch events and
 // maintaining related states.
-class CORE_EXPORT TouchEventManager: public UserGestureUtilizedCallback {
+class CORE_EXPORT TouchEventManager : public GarbageCollectedFinalized<TouchEventManager>, public UserGestureUtilizedCallback {
     WTF_MAKE_NONCOPYABLE(TouchEventManager);
-    DISALLOW_NEW();
 public:
     class TouchInfo {
         DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
     public:
         DEFINE_INLINE_TRACE()
         {
             visitor->trace(touchNode);
             visitor->trace(targetFrame);
         }
 
         PlatformTouchPoint point;
         Member<Node> touchNode;
         Member<LocalFrame> targetFrame;
         FloatPoint contentPoint;
         FloatSize adjustedRadius;
         bool knownTarget;
         String region;
     };
 
     explicit TouchEventManager(LocalFrame*);
-    ~TouchEventManager();
     DECLARE_TRACE();
 
     // Does the hit-testing again if the original hit test result was not inside
     // capturing frame for touch events. Returns true if touch events could be
     // dispatched and otherwise returns false.
     bool reHitTestTouchPointsIfNeeded(
         const PlatformTouchEvent&,
         HeapVector<TouchInfo>&);
 
     // The TouchInfo array is reference just to prevent the copy. However, it
@@ skipping 45 matching lines @@
     bool m_touchScrollStarted;
     // The touch event currently being handled or NoType if none.
     PlatformEvent::EventType m_currentEvent;
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TouchEventManager::TouchInfo);
 
 #endif // TouchEventManager_h