[SVG2] Add support for marker orient="auto-start-reverse".

Source/core/svg/SVGAngle.h

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 15 matching lines @@
 #include "core/svg/properties/SVGPropertyHelper.h"
 
 namespace blink {
 
 class SVGAngle;
 class SVGAngleTearOff;
 
 enum SVGMarkerOrientType {
     SVGMarkerOrientUnknown = 0,
     SVGMarkerOrientAuto,
-    SVGMarkerOrientAngle
+    SVGMarkerOrientAngle,
+    SVGMarkerOrientAutoStartReverse
 };
 template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGMarkerOrientType>();
+template<> unsigned short getMaxExposedEnumValue<SVGMarkerOrientType>();
 
 class SVGMarkerOrientEnumeration : public SVGEnumeration<SVGMarkerOrientType> {
 public:
     static PassRefPtr<SVGMarkerOrientEnumeration> create(SVGAngle* angle)
     {
         return adoptRef(new SVGMarkerOrientEnumeration(angle));
     }
 
     virtual ~SVGMarkerOrientEnumeration();
 
@@ skipping 69 matching lines @@
 inline PassRefPtr<SVGAngle> toSVGAngle(PassRefPtr<SVGPropertyBase> passBase)
 {
     RefPtr<SVGPropertyBase> base = passBase;
     ASSERT(base->type() == SVGAngle::classType());
     return static_pointer_cast<SVGAngle>(base.release());
 }
 
 } // namespace blink
 
 #endif // SVGAngle_h