Remove dead method SVGLength::blend

third_party/WebKit/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 299 matching lines @@
         s_lengthModeMap.set(SVGNames::textLengthAttr, SVGLengthMode::Width);
         s_lengthModeMap.set(SVGNames::startOffsetAttr, SVGLengthMode::Width);
     }
 
     if (s_lengthModeMap.contains(attrName))
         return s_lengthModeMap.get(attrName);
 
     return SVGLengthMode::Other;
 }
 
-PassRefPtrWillBeRawPtr<SVGLength> SVGLength::blend(PassRefPtrWillBeRawPtr<SVGLength> passFrom, float progress) const
-{
-    RefPtrWillBeRawPtr<SVGLength> from = passFrom;
-
-    SVGLengthType toType = unitType();
-    SVGLengthType fromType = from->unitType();
-    if ((from->isZero() && isZero())
-        || fromType == LengthTypeUnknown
-        || toType == LengthTypeUnknown
-        || (!from->isZero() && fromType != LengthTypePercentage && toType == LengthTypePercentage)
-        || (!isZero() && fromType == LengthTypePercentage && toType != LengthTypePercentage)
-        || (!from->isZero() && !isZero() && (fromType == LengthTypeEMS || fromType == LengthTypeEXS || fromType == LengthTypeREMS || fromType == LengthTypeCHS) && fromType != toType))
-        return clone();
-
-    RefPtrWillBeRawPtr<SVGLength> length = create();
-
-    if (fromType == LengthTypePercentage || toType == LengthTypePercentage) {
-        float fromPercent = from->valueAsPercentage100();
-        float toPercent = valueAsPercentage100();
-        length->newValueSpecifiedUnits(LengthTypePercentage, blink::blend(fromPercent, toPercent, progress));
-        return length;
-    }
-
-    if (fromType == toType || from->isZero() || isZero() || fromType == LengthTypeEMS || fromType == LengthTypeEXS || fromType == LengthTypeREMS || fromType == LengthTypeCHS) {
-        float fromValue = from->valueInSpecifiedUnits();
-        float toValue = valueInSpecifiedUnits();
-        if (isZero())
-            length->newValueSpecifiedUnits(fromType, blink::blend(fromValue, toValue, progress));
-        else
-            length->newValueSpecifiedUnits(toType, blink::blend(fromValue, toValue, progress));
-        return length;
-    }
-
-    ASSERT(!isRelative());
-    ASSERT(!from->isRelative());
-
-    SVGLengthContext nonRelativeLengthContext(0);
-    float fromValueInUserUnits = nonRelativeLengthContext.convertValueToUserUnits(from->valueInSpecifiedUnits(), from->unitMode(), fromType);
-    float fromValue = nonRelativeLengthContext.convertValueFromUserUnits(fromValueInUserUnits, unitMode(), toType);
-
-    float toValue = valueInSpecifiedUnits();
-    length->newValueSpecifiedUnits(toType, blink::blend(fromValue, toValue, progress));
-    return length;
-}
-
 void SVGLength::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement* contextElement)
 {
     SVGLengthContext lengthContext(contextElement);
     setValue(value(lengthContext) + toSVGLength(other)->value(lengthContext), lengthContext);
 }
 
 void SVGLength::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement)
 {
     RefPtrWillBeRawPtr<SVGLength> fromLength = toSVGLength(fromValue);
     RefPtrWillBeRawPtr<SVGLength> toLength = toSVGLength(toValue);
@@ skipping 10 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));
 }
 
 }