Expose fractional TouchEvent coordinates

Source/platform/PlatformTouchPoint.h

Index: Source/platform/PlatformTouchPoint.h
diff --git a/Source/platform/PlatformTouchPoint.h b/Source/platform/PlatformTouchPoint.h
index 0f855f0bcb652a003a34bd93bf2046be10c0ba05..8f6bb0d260a129ff906e8cffe61b19c9f14a8035 100644
--- a/Source/platform/PlatformTouchPoint.h
+++ b/Source/platform/PlatformTouchPoint.h
@@ -20,7 +20,7 @@
 #ifndef PlatformTouchPoint_h
 #define PlatformTouchPoint_h
 
-#include "platform/geometry/IntPoint.h"
+#include "platform/geometry/FloatPoint.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
@@ -41,8 +41,6 @@ public:
     // 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)
     {
@@ -50,20 +48,18 @@ public:
 
     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;
 };