Added experimental tilt and tiltDirection to the Touch interface

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index f4dca90fc4876a5238d641491ad1418ed2e8c3a1..13de7b667b223c25019e8b23f235a141c4641156 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -942,7 +942,7 @@ public:
     bool isDelayingLoadEvent();
     void loadPluginsSoon();
 
-    PassRefPtrWillBeRawPtr<Touch> createTouch(DOMWindow*, EventTarget*, int identifier, double pageX, double pageY, double screenX, double screenY, double radiusX, double radiusY, float rotationAngle, float force) const;
+    PassRefPtrWillBeRawPtr<Touch> createTouch(DOMWindow*, EventTarget*, int identifier, double pageX, double pageY, double screenX, double screenY, double radiusX, double radiusY, float rotationAngle, float tilt, float force) const;
     PassRefPtrWillBeRawPtr<TouchList> createTouchList(WillBeHeapVector<RefPtrWillBeMember<Touch>>&) const;
 
     const DocumentTiming& timing() const { return m_documentTiming; }