Added web-exposed constructor for Touch and TouchEvent

third_party/WebKit/Source/core/dom/Touch.cpp

 /*
  * Copyright 2008, The Android Open Source Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 53 matching lines @@
     , m_clientPos(clientPos)
     , m_screenPos(screenPos)
     , m_pagePos(pagePos)
     , m_radius(radius)
     , m_rotationAngle(rotationAngle)
     , m_force(force)
     , m_absoluteLocation(absoluteLocation)
 {
 }
 
+Touch::Touch(LocalFrame* frame, const TouchInit& initializer)
+    : m_target(initializer.target())
+    , m_identifier(initializer.identifier())
+    , m_clientPos(FloatPoint(initializer.clientX(), initializer.clientY()))
+    , m_screenPos(FloatPoint(initializer.screenX(), initializer.screenY()))
+    , m_pagePos(FloatPoint(initializer.pageX(), initializer.pageY()))
+    , m_radius(FloatSize(initializer.radiusX(), initializer.radiusY()))
+    , m_rotationAngle(initializer.rotationAngle())
+    , m_force(initializer.force())
+{
+    float scaleFactor = frame ? frame->pageZoomFactor() : 1.0f;
+    m_absoluteLocation = roundedLayoutPoint(m_pagePos.scaledBy(scaleFactor));
+}
+
 PassRefPtrWillBeRawPtr<Touch> Touch::cloneWithNewTarget(EventTarget* eventTarget) const
 {
     return adoptRefWillBeNoop(new Touch(eventTarget, m_identifier, m_clientPos, m_screenPos, m_pagePos, m_radius, m_rotationAngle, m_force, m_absoluteLocation));
 }
 
 DEFINE_TRACE(Touch)
 {
     visitor->trace(m_target);
 }
 
 } // namespace blink