Rework SVGViewSpec<->SVGSVGElement integration

third_party/WebKit/Source/core/svg/SVGViewSpec.h

 /*
  * Copyright (C) 2007 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 10 matching lines @@
 #define SVGViewSpec_h
 
 #include "core/svg/SVGZoomAndPan.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class FloatRect;
 class SVGPreserveAspectRatio;
 class SVGRect;
+class SVGSVGElement;
 class SVGTransformList;
 
 class SVGViewSpec final : public GarbageCollectedFinalized<SVGViewSpec>,
                           public SVGZoomAndPan {
  public:
-  static SVGViewSpec* create() { return new SVGViewSpec(); }
+  static SVGViewSpec* createForElement(SVGSVGElement&);
 
   bool parseViewSpec(const String&);
   void reset();
   template <typename T>
-  void inheritViewAttributesFromElement(T*);
+  void inheritViewAttributesFromElement(T&);
 
   SVGRect* viewBox() { return m_viewBox; }
   SVGPreserveAspectRatio* preserveAspectRatio() {
     return m_preserveAspectRatio;
   }
   SVGTransformList* transform() { return m_transform; }
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   SVGViewSpec();
 
   template <typename CharType>
   bool parseViewSpecInternal(const CharType* ptr, const CharType* end);
 
   void setViewBox(const FloatRect&);
   void setPreserveAspectRatio(const SVGPreserveAspectRatio&);
 
   Member<SVGRect> m_viewBox;
   Member<SVGPreserveAspectRatio> m_preserveAspectRatio;
   Member<SVGTransformList> m_transform;
 };
 
 template <typename T>
-void SVGViewSpec::inheritViewAttributesFromElement(T* inheritFromElement) {
-  if (!inheritFromElement->hasEmptyViewBox())
-    setViewBox(inheritFromElement->viewBox()->currentValue()->value());
+void SVGViewSpec::inheritViewAttributesFromElement(T& inheritFromElement) {
+  if (!inheritFromElement.hasEmptyViewBox())
+    setViewBox(inheritFromElement.viewBox()->currentValue()->value());
 
-  if (inheritFromElement->preserveAspectRatio()->isSpecified()) {
+  if (inheritFromElement.preserveAspectRatio()->isSpecified()) {
     setPreserveAspectRatio(
-        *inheritFromElement->preserveAspectRatio()->currentValue());
+        *inheritFromElement.preserveAspectRatio()->currentValue());
   }
 
-  if (inheritFromElement->hasAttribute(SVGNames::zoomAndPanAttr))
-    setZoomAndPan(inheritFromElement->zoomAndPan());
+  if (inheritFromElement.hasAttribute(SVGNames::zoomAndPanAttr))
+    setZoomAndPan(inheritFromElement.zoomAndPan());
 }
 
 }  // namespace blink
 
 #endif  // SVGViewSpec_h