Moving all the PlatformEvent subclasses from core/platform to platform

Source/core/platform/PlatformTouchPoint.h

-/*
-    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
-
-    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.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#ifndef PlatformTouchPoint_h
-#define PlatformTouchPoint_h
-
-#include "platform/geometry/IntPoint.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-class PlatformTouchEvent;
-
-class PlatformTouchPoint {
-public:
-    enum State {
-        TouchReleased,
-        TouchPressed,
-        TouchMoved,
-        TouchStationary,
-        TouchCancelled,
-        TouchStateEnd // Placeholder: must remain the last item.
-    };
-
-    // This is necessary for us to be able to build synthetic events.
-    PlatformTouchPoint()
-        : m_id(0)
-        , m_radiusY(0)
-        , m_radiusX(0)
-        , m_rotationAngle(0)
-        , m_force(0)
-    {
-    }
-
-    unsigned id() const { return m_id; }
-    State state() const { return m_state; }
-    IntPoint screenPos() const { return m_screenPos; }
-    IntPoint pos() const { return m_pos; }
-    int radiusX() const { return m_radiusX; }
-    int radiusY() const { return m_radiusY; }
-    float rotationAngle() const { return m_rotationAngle; }
-    float force() const { return m_force; }
-
-protected:
-    unsigned m_id;
-    State m_state;
-    IntPoint m_screenPos;
-    IntPoint m_pos;
-    int m_radiusY;
-    int m_radiusX;
-    float m_rotationAngle;
-    float m_force;
-};
-
-}
-
-#endif // PlatformTouchPoint_h