Remove 3-args |SVGAnimatedLength::baseValueToString()| impl.

Source/core/svg/SVGSVGElement.cpp

Index: Source/core/svg/SVGSVGElement.cpp
diff --git a/Source/core/svg/SVGSVGElement.cpp b/Source/core/svg/SVGSVGElement.cpp
index fa325caac3edbdc4678a132f1f0b5cbd955ca4ff..e06db8f782c2eb3116f8cb44ce2ae2440ffea7a3 100644
--- a/Source/core/svg/SVGSVGElement.cpp
+++ b/Source/core/svg/SVGSVGElement.cpp
@@ -66,10 +66,10 @@ namespace WebCore {
 inline SVGSVGElement::SVGSVGElement(Document& doc)
     : SVGGraphicsElement(SVGNames::svgTag, doc)
     , SVGFitToViewBox(this)
-    , m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(LengthModeWidth)))
-    , m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(LengthModeHeight)))
-    , m_width(SVGAnimatedLength::create(this, SVGNames::widthAttr, SVGLength::create(LengthModeWidth)))
-    , m_height(SVGAnimatedLength::create(this, SVGNames::heightAttr, SVGLength::create(LengthModeHeight)))
+    , m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
+    , m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
+    , m_width(SVGAnimatedLength::create(this, SVGNames::widthAttr, SVGLength::create(LengthModeWidth), ForbidNegativeLengths))
+    , m_height(SVGAnimatedLength::create(this, SVGNames::heightAttr, SVGLength::create(LengthModeHeight), ForbidNegativeLengths))
     , m_useCurrentView(false)
     , m_timeContainer(SMILTimeContainer::create(*this))
     , m_translation(SVGPoint::create())
@@ -267,13 +267,13 @@ void SVGSVGElement::parseAttribute(const QualifiedName& name, const AtomicString
     } else if (name == HTMLNames::onerrorAttr) {
         document().setWindowAttributeEventListener(EventTypeNames::error, createAttributeEventListener(document().frame(), name, value));
     } else if (name == SVGNames::xAttr) {
-        m_x->setBaseValueAsString(value, AllowNegativeLengths, parseError);
+        m_x->setBaseValueAsString(value, parseError);
     } else if (name == SVGNames::yAttr) {
-        m_y->setBaseValueAsString(value, AllowNegativeLengths, parseError);
+        m_y->setBaseValueAsString(value, parseError);
     } else if (name == SVGNames::widthAttr) {
-        m_width->setBaseValueAsString(value, ForbidNegativeLengths, parseError);
+        m_width->setBaseValueAsString(value, parseError);
     } else if (name == SVGNames::heightAttr) {
-        m_height->setBaseValueAsString(value, ForbidNegativeLengths, parseError);
+        m_height->setBaseValueAsString(value, parseError);
     } else if (SVGFitToViewBox::parseAttribute(name, value, document(), parseError)) {
     } else if (SVGZoomAndPan::parseAttribute(name, value)) {
     } else {