Virtualize EventDispatchMediator creation and cleanup calling.

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 74 matching lines @@
     DataTransfer* dataTransfer() const { return isDragEvent() ? m_dataTransfer.get() : 0; }
 
     bool fromTouch() const { return m_syntheticEventType == PlatformMouseEvent::FromTouch; }
 
     const AtomicString& interfaceName() const override;
 
     bool isMouseEvent() const override;
     bool isDragEvent() const final;
     int which() const final;
 
+    void setTrusted(bool trusted) { m_trusted = trusted; }
+    bool isTrusted() const { return m_trusted; }
+
+    PassRefPtrWillBeRawPtr<EventDispatchMediator> createMediator() override;
+
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>,
         int detail, int screenX, int screenY, int windowX, int windowY,
         int movementX, int movementY,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, short button, unsigned short buttons,
         PassRefPtrWillBeRawPtr<EventTarget> relatedTarget, DataTransfer*,
         bool isSimulated, PlatformMouseEvent::SyntheticEventType, double uiCreateTime = 0);
 
     MouseEvent(const AtomicString& type, const MouseEventInit&);
 
     MouseEvent();
 
 private:
     short m_button;
     unsigned short m_buttons;
     RefPtrWillBeMember<EventTarget> m_relatedTarget;
     PersistentWillBeMember<DataTransfer> m_dataTransfer;
     PlatformMouseEvent::SyntheticEventType m_syntheticEventType;
+    unsigned m_trusted : 1;

[tkent, 2015/07/15 00:09:16]

The member name should be |m_isTrusted|.

[dtapuska, 2015/07/15 01:46:17]

Done.

 };
 
 class SimulatedMouseEvent final : public MouseEvent {
 public:
     static PassRefPtrWillBeRawPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent);
     ~SimulatedMouseEvent() override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SimulatedMouseEvent(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent);
 };
 
 class MouseEventDispatchMediator final : public EventDispatchMediator {
 public:
-    enum MouseEventType { SyntheticMouseEvent, NonSyntheticMouseEvent};
-    static PassRefPtrWillBeRawPtr<MouseEventDispatchMediator> create(PassRefPtrWillBeRawPtr<MouseEvent>, MouseEventType = NonSyntheticMouseEvent);
+    static PassRefPtrWillBeRawPtr<MouseEventDispatchMediator> create(PassRefPtrWillBeRawPtr<MouseEvent>);
 
 private:
-    explicit MouseEventDispatchMediator(PassRefPtrWillBeRawPtr<MouseEvent>, MouseEventType);
+    explicit MouseEventDispatchMediator(PassRefPtrWillBeRawPtr<MouseEvent>);
     MouseEvent& event() const;
 
     bool dispatchEvent(EventDispatcher&) const override;
-    bool isSyntheticMouseEvent() const { return m_mouseEventType == SyntheticMouseEvent; }
-    MouseEventType m_mouseEventType;
 };
 
 DEFINE_EVENT_TYPE_CASTS(MouseEvent);
 
 } // namespace blink
 
 #endif // MouseEvent_h