Expose fractional TouchEvent coordinates

Source/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 "platform/geometry/FloatPoint.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; }
+    FloatPoint screenPos() const { return m_screenPos; }
+    FloatPoint pos() const { return m_pos; }
+    FloatSize radius() const { return m_radius; }
     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;
+    FloatPoint m_screenPos;
+    FloatPoint m_pos;
+    FloatSize m_radius;
     float m_rotationAngle;
     float m_force;
 };
 
 }
 
 #endif // PlatformTouchPoint_h