Add tangentialPressure and twist properties to PointerEvent on Mac

third_party/WebKit/Source/core/events/PointerEvent.cpp

Index: third_party/WebKit/Source/core/events/PointerEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/PointerEvent.cpp b/third_party/WebKit/Source/core/events/PointerEvent.cpp
index a609321e15ad2673ccdd0dbc2c378ae2606d0554..8b416ad4541949e45538f63a32497784980fb225 100644
--- a/third_party/WebKit/Source/core/events/PointerEvent.cpp
+++ b/third_party/WebKit/Source/core/events/PointerEvent.cpp
@@ -18,6 +18,8 @@ PointerEvent::PointerEvent(const AtomicString& type,
       m_pressure(0),
       m_tiltX(0),
       m_tiltY(0),
+      m_tangentialPressure(0),
+      m_twist(0),
       m_isPrimary(false) {
   if (initializer.hasPointerId())
     m_pointerId = initializer.pointerId();
@@ -31,6 +33,10 @@ PointerEvent::PointerEvent(const AtomicString& type,
     m_tiltX = initializer.tiltX();
   if (initializer.hasTiltY())
     m_tiltY = initializer.tiltY();
+  if (initializer.hasTangentialPressure())
+    m_tangentialPressure = initializer.tangentialPressure();
+  if (initializer.hasTwist())
+    m_twist = initializer.twist();
   if (initializer.hasPointerType())
     m_pointerType = initializer.pointerType();
   if (initializer.hasIsPrimary())