Make SVGLengthMode an enum class

Source/core/svg/SVGCircleElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 10 matching lines @@
 #include "config.h"
 #include "core/svg/SVGCircleElement.h"
 
 #include "core/layout/svg/LayoutSVGEllipse.h"
 #include "core/svg/SVGLength.h"
 
 namespace blink {
 
 inline SVGCircleElement::SVGCircleElement(Document& document)
     : SVGGeometryElement(SVGNames::circleTag, document)
-    , m_cx(SVGAnimatedLength::create(this, SVGNames::cxAttr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
-    , m_cy(SVGAnimatedLength::create(this, SVGNames::cyAttr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
-    , m_r(SVGAnimatedLength::create(this, SVGNames::rAttr, SVGLength::create(LengthModeOther), ForbidNegativeLengths))
+    , m_cx(SVGAnimatedLength::create(this, SVGNames::cxAttr, SVGLength::create(SVGLengthMode::Width), AllowNegativeLengths))
+    , m_cy(SVGAnimatedLength::create(this, SVGNames::cyAttr, SVGLength::create(SVGLengthMode::Height), AllowNegativeLengths))
+    , m_r(SVGAnimatedLength::create(this, SVGNames::rAttr, SVGLength::create(SVGLengthMode::Other), ForbidNegativeLengths))
 {
     addToPropertyMap(m_cx);
     addToPropertyMap(m_cy);
     addToPropertyMap(m_r);
 }
 
 DEFINE_TRACE(SVGCircleElement)
 {
     visitor->trace(m_cx);
     visitor->trace(m_cy);
@@ skipping 54 matching lines @@
         || m_cy->currentValue()->isRelative()
         || m_r->currentValue()->isRelative();
 }
 
 LayoutObject* SVGCircleElement::createRenderer(const LayoutStyle&)
 {
     return new LayoutSVGEllipse(this);
 }
 
 }