Apply DEFINE/DECLARE_NODE_FACTORY(T) macro to element factories with single Document& argument.

Source/core/svg/SVGLinearGradientElement.cpp

Index: Source/core/svg/SVGLinearGradientElement.cpp
diff --git a/Source/core/svg/SVGLinearGradientElement.cpp b/Source/core/svg/SVGLinearGradientElement.cpp
index 520ffd2d4092b52180f984ed3e547d1199686973..0fd03f93ed67ab0c60db30ae3ed9ad595ce49fb9 100644
--- a/Source/core/svg/SVGLinearGradientElement.cpp
+++ b/Source/core/svg/SVGLinearGradientElement.cpp
@@ -32,7 +32,7 @@
 
 namespace WebCore {
 
-SVGLinearGradientElement::SVGLinearGradientElement(Document& document)
+inline SVGLinearGradientElement::SVGLinearGradientElement(Document& document)
     : SVGGradientElement(SVGNames::linearGradientTag, document)
     , m_x1(SVGAnimatedLength::create(this, SVGNames::x1Attr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
     , m_y1(SVGAnimatedLength::create(this, SVGNames::y1Attr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
@@ -50,6 +50,8 @@ SVGLinearGradientElement::SVGLinearGradientElement(Document& document)
     addToPropertyMap(m_y2);
 }
 
+DEFINE_NODE_FACTORY(SVGLinearGradientElement)
+
 bool SVGLinearGradientElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());