Move pathLength attribute from SVGPathElement to SVGGeometryElement.

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

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@@ skipping 13 matching lines @@
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 #ifndef SVGGeometryElement_h
 #define SVGGeometryElement_h
 
+#include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGGraphicsElement.h"
 
 namespace blink {
 
 class Path;
 class SVGPointTearOff;
 
 class SVGGeometryElement : public SVGGraphicsElement {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   virtual Path asPath() const = 0;
   bool isPointInFill(SVGPointTearOff*) const;
   bool isPointInStroke(SVGPointTearOff*) const;
 
   void toClipPath(Path&) const;
 
+  SVGAnimatedNumber* pathLength() const { return m_pathLength.get(); }

[fs, 2016/11/24 11:57:59]

I think we should hook this up to rendering too. the easiest way to achieve that
is likely to make the pathLengthScaleFactor method virtual. (A large portion of
the implementations would be the same though, only that we have a possibility to
use a cached length in SVGPathElement.)

[Shanmuga Pandi, 2016/11/28 10:14:47]

Done.

   LayoutObject* createLayoutObject(const ComputedStyle&) override;
   virtual float getTotalLength();
   virtual SVGPointTearOff* getPointAtLength(float distance);
 
+  DECLARE_VIRTUAL_TRACE();
+
  protected:
   SVGGeometryElement(const QualifiedName&,
                      Document&,
                      ConstructionType = CreateSVGElement);
 
  private:
   bool isSVGGeometryElement() const final { return true; }
+
+  Member<SVGAnimatedNumber> m_pathLength;
 };
 
 inline bool isSVGGeometryElement(const SVGElement& element) {
   return element.isSVGGeometryElement();
 }
 
 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGGeometryElement);
 
 }  // namespace blink
 
 #endif  // SVGGeometryElement_h