Fold up the SVGLengthContext::convertValueFrom* helpers

Source/core/svg/SVGLength.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 148 matching lines @@
         && m_valueInSpecifiedUnits == other.m_valueInSpecifiedUnits;
 }
 
 float SVGLength::value(const SVGLengthContext& context) const
 {
     return context.convertValueToUserUnits(m_valueInSpecifiedUnits, unitMode(), unitType());
 }
 
 void SVGLength::setValue(float value, const SVGLengthContext& context)
 {
-    // LengthTypePercentage is represented with 100% = 100.0. Good for accuracy but could eventually be changed.
-    if (m_unitType == LengthTypePercentage)
-        value = value / 100;
-
     m_valueInSpecifiedUnits = context.convertValueFromUserUnits(value, unitMode(), unitType());
 }
 
 void SVGLength::setUnitType(SVGLengthType type)
 {
     ASSERT(type != LengthTypeUnknown && type <= LengthTypePC);
     m_unitType = type;
 }
 
 float SVGLength::valueAsPercentage() const
@@ skipping 279 matching lines @@
 
 float SVGLength::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, SVGElement* contextElement)
 {
     SVGLengthContext lengthContext(contextElement);
     RefPtrWillBeRawPtr<SVGLength> toLength = toSVGLength(toValue);
 
     return fabsf(toLength->value(lengthContext) - value(lengthContext));
 }
 
 }