Move pathLength attribute from SVGPathElement to SVGGeometryElement.

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

Index: third_party/WebKit/Source/core/svg/SVGGeometryElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGGeometryElement.h b/third_party/WebKit/Source/core/svg/SVGGeometryElement.h
index dc2c4a1d80f26c96bf5b99aa5bb4aa96a39eebfa..96b8ef34f052ed2423efc375ff8fe06889e6d097 100644
--- a/third_party/WebKit/Source/core/svg/SVGGeometryElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGGeometryElement.h
@@ -31,6 +31,7 @@
 #ifndef SVGGeometryElement_h
 #define SVGGeometryElement_h
 
+#include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGGraphicsElement.h"
 
 namespace blink {
@@ -48,10 +49,13 @@ class SVGGeometryElement : public SVGGraphicsElement {
 
   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&,
@@ -59,6 +63,8 @@ class SVGGeometryElement : public SVGGraphicsElement {
 
  private:
   bool isSVGGeometryElement() const final { return true; }
+
+  Member<SVGAnimatedNumber> m_pathLength;
 };
 
 inline bool isSVGGeometryElement(const SVGElement& element) {