Create MouseEventManager and EventHandlingUtil

third_party/WebKit/Source/core/input/ScrollManager.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 ScrollManager_h
 #define ScrollManager_h
 
 #include "core/CoreExport.h"
 #include "core/page/EventWithHitTestResults.h"
 #include "platform/PlatformEvent.h"
@@ skipping 15 matching lines @@
 class LocalFrame;
 class PaintLayer;
 class PaintLayerScrollableArea;
 class PlatformGestureEvent;
 class Scrollbar;
 class ScrollState;
 
 // This class takes care of scrolling and resizing and the related states. The
 // user action that causes scrolling or resizing is determined in other *Manager
 // classes and they call into this class for doing the work.
-class CORE_EXPORT ScrollManager {
+class CORE_EXPORT ScrollManager final : public GarbageCollectedFinalized<ScrollManager> {
     WTF_MAKE_NONCOPYABLE(ScrollManager);
-    DISALLOW_NEW();
 public:
     explicit ScrollManager(LocalFrame*);
     ~ScrollManager();
     DECLARE_TRACE();
 
     void clear();
 
     bool panScrollInProgress() const;
     AutoscrollController* autoscrollController() const;
     void stopAutoscroll();
@@ skipping 88 matching lines @@
 
     Member<PaintLayerScrollableArea> m_resizeScrollableArea;
 
     LayoutSize m_offsetFromResizeCorner; // In the coords of m_resizeScrollableArea.
 
 };
 
 } // namespace blink
 
 #endif // ScrollManager_h