Support 'pathLength' for stroking operations on <path>

third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.h

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2006 Apple Computer, Inc
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) 2011 Renata Hodovan <reni@webkit.org>
  * Copyright (C) 2011 University of Szeged
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 53 matching lines @@
     void setNeedsTransformUpdate() final { m_needsTransformUpdate = true; }
 
     bool nodeAtFloatPointInternal(const HitTestRequest&, const FloatPoint&, PointerEventsHitRules);
 
     Path& path() const
     {
         ASSERT(m_path);
         return *m_path;
     }
     bool hasPath() const { return m_path.get(); }
+    float dashScaleFactor() const;
 
     virtual bool isShapeEmpty() const { return path().isEmpty(); }
 
     bool hasNonScalingStroke() const { return style()->svgStyle().vectorEffect() == VE_NON_SCALING_STROKE; }
     Path* nonScalingStrokePath(const Path*, const AffineTransform&) const;
     AffineTransform nonScalingStrokeTransform() const;
     AffineTransform localTransform() const final { return m_localTransform; }
 
     virtual const Vector<MarkerPosition>* markerPositions() const { return nullptr; }
 
@@ skipping 55 matching lines @@
     bool m_needsBoundariesUpdate : 1;
     bool m_needsShapeUpdate : 1;
     bool m_needsTransformUpdate : 1;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGShape, isSVGShape());
 
 } // namespace blink
 
 #endif