Support WebPointerProperties in MouseEvent

third_party/WebKit/Source/core/events/MouseEvent.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 32 matching lines @@
     }
 
     // TODO(mustaq): Should replace most/all of these params with a MouseEventInit.
     static MouseEvent* create(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*,
         int detail, int screenX, int screenY, int windowX, int windowY,
         int movementX, int movementY, PlatformEvent::Modifiers,
         short button, unsigned short buttons,
         EventTarget* relatedTarget,
         double platformTimeStamp,
         PlatformMouseEvent::SyntheticEventType,
-        const String& region);
+        const String& region,
+        const PlatformMouseEvent*);
 
     static MouseEvent* create(const AtomicString& eventType, AbstractView*, const PlatformMouseEvent&, int detail, Node* relatedTarget);
 
     static MouseEvent* create(ScriptState*, const AtomicString& eventType, const MouseEventInit&);
 
     static MouseEvent* create(const AtomicString& eventType, AbstractView*, Event* underlyingEvent, SimulatedClickCreationScope);
 
     ~MouseEvent() override;
 
     static unsigned short platformModifiersToButtons(unsigned modifiers);
@@ skipping 23 matching lines @@
 
     const AtomicString& interfaceName() const override;
 
     bool isMouseEvent() const override;
     int which() const final;
 
     EventDispatchMediator* createMediator() override;
 
     int clickCount() { return detail(); }
 
+    const PlatformMouseEvent* mouseEvent() const { return m_mouseEvent.get(); }
+
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*,
         int detail, int screenX, int screenY, int windowX, int windowY,
         int movementX, int movementY,
         PlatformEvent::Modifiers, short button, unsigned short buttons,
         EventTarget* relatedTarget,
         double platformTimeStamp,
         PlatformMouseEvent::SyntheticEventType,
-        const String& region);
+        const String& region,
+        const PlatformMouseEvent*);
 
     MouseEvent(const AtomicString& type, const MouseEventInit&);
 
     MouseEvent();
 
     short rawButton() const { return m_button; }
 
 private:
     friend class MouseEventDispatchMediator;
     void initMouseEventInternal(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*,
         int detail, int screenX, int screenY, int clientX, int clientY,
         PlatformEvent::Modifiers,
         short button, EventTarget* relatedTarget, InputDeviceCapabilities* sourceCapabilities, unsigned short buttons = 0);
 
     short m_button;
     unsigned short m_buttons;
     Member<EventTarget> m_relatedTarget;
     PlatformMouseEvent::SyntheticEventType m_syntheticEventType;
     String m_region;
+    std::unique_ptr<PlatformMouseEvent> m_mouseEvent;
 };
 
 class MouseEventDispatchMediator final : public EventDispatchMediator {
 public:
     static MouseEventDispatchMediator* create(MouseEvent*);
 
 private:
     explicit MouseEventDispatchMediator(MouseEvent*);
     MouseEvent& event() const;
 
     DispatchEventResult dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(MouseEvent);
 
 } // namespace blink
 
 #endif // MouseEvent_h