Pass real tilt information to PointerEvents.

Source/platform/PlatformTouchPoint.h

Index: Source/platform/PlatformTouchPoint.h
diff --git a/Source/platform/PlatformTouchPoint.h b/Source/platform/PlatformTouchPoint.h
index 3f9ecec27ae3dc5daf0526ac0fb62bf50d046f76..9729b67035a93f4b5e5b58e5a8e5938e223aca5c 100644
--- a/Source/platform/PlatformTouchPoint.h
+++ b/Source/platform/PlatformTouchPoint.h
@@ -21,6 +21,7 @@
 #define PlatformTouchPoint_h
 
 #include "platform/geometry/FloatPoint.h"
+#include "public/platform/WebPointerProperties.h"
 
 namespace blink {
 
@@ -37,28 +38,27 @@ public:
 
     // This is necessary for us to be able to build synthetic events.
     PlatformTouchPoint()
-        : m_id(0)
-        , m_rotationAngle(0)
-        , m_force(0)
+        : m_rotationAngle(0)
     {
     }
 
-    int id() const { return m_id; }
+    const WebPointerProperties& pointerProperties() const { return m_pointerProperties; }
+    int id() const { return pointerProperties().id; }
     State state() const { return m_state; }
     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; }
+    float force() const { return pointerProperties().force; }
 
 protected:
-    int m_id;
+    WebPointerProperties m_pointerProperties;
+
     State m_state;
     FloatPoint m_screenPos;
     FloatPoint m_pos;
     FloatSize m_radius;
     float m_rotationAngle;
-    float m_force;
 };
 
 }