Refactor SVGAnimatedLength negative values mode

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

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 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 48 matching lines @@
     {
         SVGTextContentElement* textContentElement = toSVGTextContentElement(contextElement());
         if (!textContentElement->textLengthIsSpecifiedByUser())
             baseValue()->newValueSpecifiedUnits(CSSPrimitiveValue::UnitType::Number, textContentElement->getComputedTextLength());
 
         return SVGAnimatedLength::baseVal();
     }
 
 private:
     SVGAnimatedTextLength(SVGTextContentElement* contextElement)
-        : SVGAnimatedLength(contextElement, SVGNames::textLengthAttr, SVGLength::create(SVGLengthMode::Width), ForbidNegativeLengths)
+        : SVGAnimatedLength(contextElement, SVGNames::textLengthAttr, SVGLength::create(SVGLengthMode::Width))
     {
     }
 };
 
 
 SVGTextContentElement::SVGTextContentElement(const QualifiedName& tagName, Document& document)
     : SVGGraphicsElement(tagName, document)
     , m_textLength(SVGAnimatedTextLength::create(this))
     , m_textLengthIsSpecifiedByUser(false)
     , m_lengthAdjust(SVGAnimatedEnumeration<SVGLengthAdjustType>::create(this, SVGNames::lengthAdjustAttr, SVGLengthAdjustSpacing))
@@ skipping 178 matching lines @@
 
     if (!layoutObject->isSVGText() && !layoutObject->isSVGInline())
         return nullptr;
 
     SVGElement* element = toSVGElement(layoutObject->node());
     ASSERT(element);
     return isSVGTextContentElement(*element) ? toSVGTextContentElement(element) : 0;
 }
 
 }