Create MouseEventManager and EventHandlingUtil

third_party/WebKit/Source/core/input/KeyboardEventManager.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 KeyboardEventManager_h
 #define KeyboardEventManager_h
 
 #include "core/CoreExport.h"
 #include "platform/PlatformEvent.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/Visitor.h"
 #include "public/platform/WebFocusType.h"
 #include "public/platform/WebInputEvent.h"
 #include "public/platform/WebInputEventResult.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 class KeyboardEvent;
 class LocalFrame;
 class ScrollManager;
 
 enum class OverrideCapsLockState {
     Default,
     On,
     Off
 };
 
-class CORE_EXPORT KeyboardEventManager {
+class CORE_EXPORT KeyboardEventManager : public GarbageCollectedFinalized<KeyboardEventManager> {
     WTF_MAKE_NONCOPYABLE(KeyboardEventManager);
-    DISALLOW_NEW();
 public:
     static const int kAccessKeyModifiers =
 // TODO(crbug.com/618397): Add a settings to control this behavior.
 #if OS(MACOSX)
         WebInputEvent::ControlKey | WebInputEvent::AltKey;
 #else
         WebInputEvent::AltKey;
 #endif
 
     KeyboardEventManager(LocalFrame*, ScrollManager*);
-    ~KeyboardEventManager();
     DECLARE_TRACE();
 
     bool handleAccessKey(const WebKeyboardEvent&);
     WebInputEventResult keyEvent(const WebKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*, Node*);
 
     void capsLockStateMayHaveChanged();
     static WebInputEvent::Modifiers getCurrentModifierState();
     static bool currentCapsLockState();
 
 private:
     friend class Internals;
     // Allows overriding the current caps lock state for testing purposes.
     static void setCurrentCapsLockState(OverrideCapsLockState);
 
     void defaultSpaceEventHandler(KeyboardEvent*, Node*);
     void defaultBackspaceEventHandler(KeyboardEvent*);
     void defaultTabEventHandler(KeyboardEvent*);
     void defaultEscapeEventHandler(KeyboardEvent*);
     void defaultArrowEventHandler(WebFocusType, KeyboardEvent*);
 
     const Member<LocalFrame> m_frame;
 
-    ScrollManager* m_scrollManager;
+    Member<ScrollManager> m_scrollManager;
 };
 
 } // namespace blink
 
 #endif // KeyboardEventManager_h