CSS Motion Path: Centre transform-origin on the path

Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 1800 matching lines @@
 
     StyleColor decorationColorIncludingFallback(bool visitedLink) const;
     Color colorIncludingFallback(int colorProperty, bool visitedLink) const;
 
     Color stopColor() const { return svgStyle().stopColor(); }
     Color floodColor() const { return svgStyle().floodColor(); }
     Color lightingColor() const { return svgStyle().lightingColor(); }
 
     void appendContent(PassOwnPtr<ContentData>);
     void addAppliedTextDecoration(const AppliedTextDecoration&);
-    void applyMotionPathTransform(TransformationMatrix&) const;
+    void applyMotionPathTransform(float originX, float originY, TransformationMatrix&) const;
 
     bool diffNeedsFullLayoutAndPaintInvalidation(const ComputedStyle& other) const;
     bool diffNeedsFullLayout(const ComputedStyle& other) const;
     bool diffNeedsPaintInvalidationLayer(const ComputedStyle& other) const;
     bool diffNeedsPaintInvalidationObject(const ComputedStyle& other) const;
     void updatePropertySpecificDifferences(const ComputedStyle& other, StyleDifference&) const;
 
     bool requireTransformOrigin(ApplyTransformOrigin applyOrigin, ApplyMotionPath) const;
 };
 
@@ skipping 103 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h