Added PointerEvent firing on touch events.

Source/core/events/PointerEvent.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PointerEvent_h
 #define PointerEvent_h
 
 #include "core/events/MouseEvent.h"
 #include "core/events/PointerEventInit.h"
 
@@ skipping 33 matching lines @@
     long m_pointerId;
     double m_width;
     double m_height;
     float m_pressure;
     long m_tiltX;
     long m_tiltY;
     String m_pointerType;
     bool m_isPrimary;
 };
 
+
+class PointerEventDispatchMediator final : public EventDispatchMediator {
+public:
+    static PassRefPtrWillBeRawPtr<PointerEventDispatchMediator> create(PassRefPtrWillBeRawPtr<PointerEvent>);
+
+private:
+    explicit PointerEventDispatchMediator(PassRefPtrWillBeRawPtr<PointerEvent>);
+    PointerEvent& event() const;
+    virtual bool dispatchEvent(EventDispatcher&) const override;
+};
+
 DEFINE_EVENT_TYPE_CASTS(PointerEvent);
 
 } // namespace blink
 
 #endif // PointerEvent_h