Use Length for the stroke-dasharray property in SVGLayoutStyle

Source/core/layout/style/LayoutStyle.h

Index: Source/core/layout/style/LayoutStyle.h
diff --git a/Source/core/layout/style/LayoutStyle.h b/Source/core/layout/style/LayoutStyle.h
index db0fece8596e184381a7f0dcefb5a86f1e3ce762..acf8e0f4a3a9758c006ed267ef49629d4de4a29b 100644
--- a/Source/core/layout/style/LayoutStyle.h
+++ b/Source/core/layout/style/LayoutStyle.h
@@ -1367,8 +1367,8 @@ public:
     void setStrokeOpacity(float f) { accessSVGStyle().setStrokeOpacity(f); }
     SVGLength* strokeWidth() const { return svgStyle().strokeWidth(); }
     void setStrokeWidth(PassRefPtrWillBeRawPtr<SVGLength> w) { accessSVGStyle().setStrokeWidth(w); }
-    SVGLengthList* strokeDashArray() const { return svgStyle().strokeDashArray(); }
-    void setStrokeDashArray(PassRefPtrWillBeRawPtr<SVGLengthList> array) { accessSVGStyle().setStrokeDashArray(array); }
+    SVGDashArray* strokeDashArray() const { return svgStyle().strokeDashArray(); }
+    void setStrokeDashArray(PassRefPtr<SVGDashArray> array) { accessSVGStyle().setStrokeDashArray(array); }
     const Length& strokeDashOffset() const { return svgStyle().strokeDashOffset(); }
     void setStrokeDashOffset(const Length& d) { accessSVGStyle().setStrokeDashOffset(d); }
     float strokeMiterLimit() const { return svgStyle().strokeMiterLimit(); }