Use SVGLength's wrapped CSSPrimitiveValue for pres.attr. style

third_party/WebKit/Source/core/svg/SVGMaskElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGMaskElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGMaskElement.cpp b/third_party/WebKit/Source/core/svg/SVGMaskElement.cpp
index 3934670247d1514eb870182bb7b220142a89899b..00714e09346d32322c759e9d7bcfe53277eb5b14 100644
--- a/third_party/WebKit/Source/core/svg/SVGMaskElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGMaskElement.cpp
@@ -89,13 +89,13 @@ void SVGMaskElement::collectStyleForPresentationAttribute(const QualifiedName& n
 {
     RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
     if (property == m_x)
-        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyX, *m_x->currentValue());
+        addPropertyToPresentationAttributeStyle(style, CSSPropertyX, m_x->currentValue()->asCSSPrimitiveValue());
     else if (property == m_y)
-        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyY, *m_y->currentValue());
+        addPropertyToPresentationAttributeStyle(style, CSSPropertyY, m_y->currentValue()->asCSSPrimitiveValue());
     else if (property == m_width)
-        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, *m_width->currentValue());
+        addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, m_width->currentValue()->asCSSPrimitiveValue());
     else if (property == m_height)
-        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, *m_height->currentValue());
+        addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, m_height->currentValue()->asCSSPrimitiveValue());
     else
         SVGElement::collectStyleForPresentationAttribute(name, value, style);
 }