Use Length for the stroke-width property in SVGLayoutStyle

Source/core/css/resolver/StyleBuilderConverter.cpp

Index: Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/Source/core/css/resolver/StyleBuilderConverter.cpp b/Source/core/css/resolver/StyleBuilderConverter.cpp
index 2865fd4d8d7cdf5b258fa7fa84ea1ef713cc3804..3686ccb0061d81c9c3889a91478582653d329611 100644
--- a/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -508,6 +508,11 @@ Length StyleBuilderConverter::convertLength(const StyleResolverState& state, CSS
     return toCSSPrimitiveValue(value)->convertToLength(state.cssToLengthConversionData());
 }
 
+UnzoomedLength StyleBuilderConverter::convertUnzoomedLength(const StyleResolverState& state, CSSValue* value)
+{
+    return UnzoomedLength(toCSSPrimitiveValue(value)->convertToLength(state.cssToLengthConversionData().copyWithAdjustedZoom(1.0f)));
+}
+
 Length StyleBuilderConverter::convertLengthOrAuto(const StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
@@ -853,11 +858,6 @@ Color StyleBuilderConverter::convertSVGColor(StyleResolverState& state, CSSValue
     return state.style()->color();
 }
 
-PassRefPtrWillBeRawPtr<SVGLength> StyleBuilderConverter::convertSVGLength(StyleResolverState&, CSSValue* value)
-{
-    return SVGLength::fromCSSPrimitiveValue(toCSSPrimitiveValue(value));
-}
-
 float StyleBuilderConverter::convertTextStrokeWidth(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);