Drop SVGGraphicsElement.getTransformToElement

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

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2014 Google, Inc.
  *
  * 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 32 matching lines @@
 {
 }
 
 DEFINE_TRACE(SVGGraphicsElement)
 {
     visitor->trace(m_transform);
     SVGElement::trace(visitor);
     SVGTests::trace(visitor);
 }
 
-PassRefPtrWillBeRawPtr<SVGMatrixTearOff> SVGGraphicsElement::getTransformToElement(SVGElement* target, ExceptionState& exceptionState)
-{
-    AffineTransform ctm = getCTM(AllowStyleUpdate);
-
-    if (target && target->isSVGGraphicsElement()) {
-        AffineTransform targetCTM = toSVGGraphicsElement(target)->getCTM(AllowStyleUpdate);
-        if (!targetCTM.isInvertible()) {
-            exceptionState.throwDOMException(InvalidStateError, "The target transformation is not invertable.");
-            return nullptr;
-        }
-        ctm = targetCTM.inverse() * ctm;
-    }
-
-    return SVGMatrixTearOff::create(ctm);
-}
-
 static bool isViewportElement(const Element& element)
 {
     return (isSVGSVGElement(element)
         || isSVGSymbolElement(element)
         || isSVGForeignObjectElement(element)
         || isSVGImageElement(element));
 }
 
 AffineTransform SVGGraphicsElement::computeCTM(SVGElement::CTMScope mode,
     SVGGraphicsElement::StyleUpdateStrategy styleUpdateStrategy, const SVGGraphicsElement* ancestor) const
@@ skipping 160 matching lines @@
 
     return layoutObject()->objectBoundingBox();
 }
 
 PassRefPtrWillBeRawPtr<SVGRectTearOff> SVGGraphicsElement::getBBoxFromJavascript()
 {
     return SVGRectTearOff::create(SVGRect::create(getBBox()), 0, PropertyIsNotAnimVal);
 }
 
 }