Pass real tilt information to PointerEvents.

Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 3514 matching lines @@
 
         const AtomicString& eventName = pointerEventNameForTouchPointState(pointState);
 
         bool isEnterOrLeave = false;
 
         PointerEventInit pointerEventInit;
         pointerEventInit.setPointerId(pointerId);
         pointerEventInit.setWidth(touchInfo.adjustedRadius.width());
         pointerEventInit.setHeight(touchInfo.adjustedRadius.height());
         pointerEventInit.setPressure(point.force());
+        pointerEventInit.setTiltX(point.pointerProperties().tiltX);
+        pointerEventInit.setTiltY(point.pointerProperties().tiltY);
         pointerEventInit.setPointerType(PointerTypeStrForTouch);
         pointerEventInit.setIsPrimary(m_pointerIdManager.isPrimary(PointerIdManager::PointerTypeTouch, pointerId));
         pointerEventInit.setScreenX(point.screenPos().x());
         pointerEventInit.setScreenY(point.screenPos().y());
         pointerEventInit.setClientX(touchInfo.adjustedPagePoint.x());
         pointerEventInit.setClientY(touchInfo.adjustedPagePoint.y());
         pointerEventInit.setButton(0);
         pointerEventInit.setButtons(pointerReleasedOrCancelled ? 0 : 1);
 
         pointerEventInit.setCtrlKey(event.ctrlKey());
@@ skipping 450 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace blink