Move pathLength attribute from SVGPathElement to SVGGeometryElement.

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

Index: third_party/WebKit/Source/core/svg/SVGPathElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPathElement.h b/third_party/WebKit/Source/core/svg/SVGPathElement.h
index cd33a84a20428abf104b9d052868d83e695400b0..b56d61c7f9d3bb3bff0c9fda7d206d10347775e1 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGPathElement.h
@@ -22,7 +22,6 @@
 #define SVGPathElement_h
 
 #include "core/SVGNames.h"
-#include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGAnimatedPath.h"
 #include "core/svg/SVGGeometryElement.h"
 #include "platform/heap/Handle.h"
@@ -45,8 +44,7 @@ class SVGPathElement final : public SVGGeometryElement {
   unsigned getPathSegAtLength(float distance);
 
   SVGAnimatedPath* path() const { return m_path.get(); }
-  SVGAnimatedNumber* pathLength() const { return m_pathLength.get(); }
-  float pathLengthScaleFactor() const;
+  float computePathLength() const override;
   const SVGPathByteStream& pathByteStream() const {
     return stylePath()->byteStream();
   }
@@ -71,7 +69,6 @@ class SVGPathElement final : public SVGGeometryElement {
 
   void invalidateMPathDependencies();
 
-  Member<SVGAnimatedNumber> m_pathLength;
   Member<SVGAnimatedPath> m_path;
 };