Use Length for the stroke-dashoffset property in SVGLayoutStyle

Source/core/layout/style/SVGLayoutStyle.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) 2005, 2006 Apple Computer, Inc.
     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 58 matching lines @@
     static EGlyphOrientation initialGlyphOrientationVertical() { return GO_AUTO; }
     static float initialFillOpacity() { return 1; }
     static SVGPaintType initialFillPaintType() { return SVG_PAINTTYPE_RGBCOLOR; }
     static Color initialFillPaintColor() { return Color::black; }
     static String initialFillPaintUri() { return String(); }
     static float initialStrokeOpacity() { return 1; }
     static SVGPaintType initialStrokePaintType() { return SVG_PAINTTYPE_NONE; }
     static Color initialStrokePaintColor() { return Color(); }
     static String initialStrokePaintUri() { return String(); }
     static PassRefPtrWillBeRawPtr<SVGLengthList> initialStrokeDashArray() { return SVGLengthList::create(); }
+    static Length initialStrokeDashOffset() { return Length(Fixed); }
     static float initialStrokeMiterLimit() { return 4; }
     static float initialStopOpacity() { return 1; }
     static Color initialStopColor() { return Color(0, 0, 0); }
     static float initialFloodOpacity() { return 1; }
     static Color initialFloodColor() { return Color(0, 0, 0); }
     static Color initialLightingColor() { return Color(255, 255, 255); }
     static const AtomicString& initialClipperResource() { return nullAtom; }
     static const AtomicString& initialFilterResource() { return nullAtom; }
     static const AtomicString& initialMaskerResource() { return nullAtom; }
     static const AtomicString& initialMarkerStartResource() { return nullAtom; }
     static const AtomicString& initialMarkerMidResource() { return nullAtom; }
     static const AtomicString& initialMarkerEndResource() { return nullAtom; }
     static EMaskType initialMaskType() { return MT_LUMINANCE; }
     static EPaintOrder initialPaintOrder() { return PO_NORMAL; }
     static Length initialX() { return Length(Fixed); }
     static Length initialY() { return Length(Fixed); }
     static Length initialRx() { return Length(Fixed); }
     static Length initialRy() { return Length(Fixed); }
 
-    static PassRefPtrWillBeRawPtr<SVGLength> initialStrokeDashOffset()
-    {
-        RefPtrWillBeRawPtr<SVGLength> length = SVGLength::create();
-        length->newValueSpecifiedUnits(LengthTypeNumber, 0);
-        return length.release();
-    }
-
     static PassRefPtrWillBeRawPtr<SVGLength> initialStrokeWidth()
     {
         RefPtrWillBeRawPtr<SVGLength> length = SVGLength::create();
         length->newValueSpecifiedUnits(LengthTypeNumber, 1);
         return length.release();
     }
 
     // SVG CSS Property setters
     void setAlignmentBaseline(EAlignmentBaseline val) { svg_noninherited_flags.f._alignmentBaseline = val; }
     void setDominantBaseline(EDominantBaseline val) { svg_noninherited_flags.f._dominantBaseline = val; }
@@ skipping 97 matching lines @@
         if (!(stroke->miterLimit == obj))
             stroke.access()->miterLimit = obj;
     }
 
     void setStrokeWidth(PassRefPtrWillBeRawPtr<SVGLength> obj)
     {
         if (*stroke->width != *obj)
             stroke.access()->width = obj;
     }
 
-    void setStrokeDashOffset(PassRefPtrWillBeRawPtr<SVGLength> obj)
+    void setStrokeDashOffset(const Length& dashOffset)
     {
-        if (*stroke->dashOffset != *obj)
-            stroke.access()->dashOffset = obj;
+        if (!(stroke->dashOffset == dashOffset))
+            stroke.access()->dashOffset = dashOffset;
     }
 
     void setStopOpacity(float obj)
     {
         if (!(stops->opacity == obj))
             stops.access()->opacity = obj;
     }
 
     void setStopColor(const Color& obj)
     {
@@ skipping 85 matching lines @@
     const SVGPaintType& fillPaintType() const { return fill->paintType; }
     const Color& fillPaintColor() const { return fill->paintColor; }
     const String& fillPaintUri() const { return fill->paintUri; }
     float strokeOpacity() const { return stroke->opacity; }
     const SVGPaintType& strokePaintType() const { return stroke->paintType; }
     const Color& strokePaintColor() const { return stroke->paintColor; }
     const String& strokePaintUri() const { return stroke->paintUri; }
     SVGLengthList* strokeDashArray() const { return stroke->dashArray.get(); }
     float strokeMiterLimit() const { return stroke->miterLimit; }
     SVGLength* strokeWidth() const { return stroke->width.get(); }
-    SVGLength* strokeDashOffset() const { return stroke->dashOffset.get(); }
+    const Length& strokeDashOffset() const { return stroke->dashOffset; }
     float stopOpacity() const { return stops->opacity; }
     const Color& stopColor() const { return stops->color; }
     float floodOpacity() const { return misc->floodOpacity; }
     const Color& floodColor() const { return misc->floodColor; }
     const Color& lightingColor() const { return misc->lightingColor; }
     const Length& baselineShiftValue() const { return misc->baselineShiftValue; }
     const Length& x() const { return layout->x; }
     const Length& y() const { return layout->y; }
     const Length& rx() const { return layout->rx; }
     const Length& ry() const { return layout->ry; }
@@ skipping 127 matching lines @@
         svg_noninherited_flags.f._baselineShift = initialBaselineShift();
         svg_noninherited_flags.f._vectorEffect = initialVectorEffect();
         svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering();
         svg_noninherited_flags.f.maskType = initialMaskType();
     }
 };
 
 } // namespace blink
 
 #endif // SVGLayoutStyle_h