Support 'pathLength' for stroking operations on <path>

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

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * 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
@@ skipping 66 matching lines @@
     // Important functions used by nearly all SVG layoutObjects centralizing coordinate transformations / paint invalidation rect calculations
     static LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutObject&,
         const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState*,
         float strokeWidthForHairlinePadding = 0);
     static const LayoutSVGRoot& mapRectToSVGRootForPaintInvalidation(const LayoutObject&,
         const FloatRect& localPaintInvalidationRect, LayoutRect&, float strokeWidthForHairlinePadding = 0);
     static void mapLocalToAncestor(const LayoutObject*, const LayoutBoxModelObject* ancestor, TransformState&, bool* wasFixed = nullptr, const PaintInvalidationState* = nullptr);
     static const LayoutObject* pushMappingToContainer(const LayoutObject*, const LayoutBoxModelObject* ancestorToStopAt, LayoutGeometryMap&);
 
     // Shared between SVG layoutObjects and resources.
-    static void applyStrokeStyleToStrokeData(StrokeData&, const ComputedStyle&, const LayoutObject&);
+    static void applyStrokeStyleToStrokeData(StrokeData&, const ComputedStyle&, const LayoutObject&, float dashScaleFactor);
 
     static DashArray resolveSVGDashArray(const SVGDashArray&, const ComputedStyle&, const SVGLengthContext&);
 
     // Determines if any ancestor's transform has changed.
     static bool transformToRootChanged(LayoutObject*);
 
     // FIXME: These methods do not belong here.
     static const LayoutSVGRoot* findTreeRootObject(const LayoutObject*);
 
     // Helper method for determining if a LayoutObject marked as text (isText()== true)
@@ skipping 36 matching lines @@
             return true;
         if (child->hasNonIsolatedBlendingDescendants() && !willIsolateBlendingDescendantsForObject(child))
             return true;
     }
     return false;
 }
 
 } // namespace blink
 
 #endif // SVGLayoutSupport_h