Only communicate CSSPrimitiveValue references from SVGLength

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 49 matching lines @@
 
   return length;
 }
 
 bool SVGLength::operator==(const SVGLength& other) const {
   return m_unitMode == other.m_unitMode && m_value == other.m_value;
 }
 
 float SVGLength::value(const SVGLengthContext& context) const {
   if (isCalculated())
-    return context.resolveValue(*asCSSPrimitiveValue(), unitMode());
+    return context.resolveValue(asCSSPrimitiveValue(), unitMode());
 
   return context.convertValueToUserUnits(m_value->getFloatValue(), unitMode(),
                                          m_value->typeWithCalcResolved());
 }
 
 void SVGLength::setValueAsNumber(float value) {
   m_value =
       CSSPrimitiveValue::create(value, CSSPrimitiveValue::UnitType::UserUnits);
 }
 
@@ skipping 186 matching lines @@
 
 float SVGLength::calculateDistance(SVGPropertyBase* toValue,
                                    SVGElement* contextElement) {
   SVGLengthContext lengthContext(contextElement);
   SVGLength* toLength = toSVGLength(toValue);
 
   return fabsf(toLength->value(lengthContext) - value(lengthContext));
 }
 
 }  // namespace blink