Use PathSegmentData+SVGPath{Consumer,Source} in PathSVGInterpolation

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

Index: third_party/WebKit/Source/core/svg/SVGPathSeg.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPathSeg.h b/third_party/WebKit/Source/core/svg/SVGPathSeg.h
index ffa59f3841f49a8e1c4e0ac55e5fedd98a2678df..86d25391216b9fe5edd16ca82b3bbb4a7eeeaf63 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathSeg.h
+++ b/third_party/WebKit/Source/core/svg/SVGPathSeg.h
@@ -85,6 +85,21 @@ struct PathSegmentData {
     const FloatPoint& arcRadii() const { return point1; }
     float arcAngle() const { return point2.x(); }
 
+    float r1() const { return arcRadii().x(); }
+    float r2() const { return arcRadii().y(); }
+
+    bool largeArcFlag() const { return arcLarge; }
+    bool sweepFlag() const { return arcSweep; }
+
+    float x() const { return targetPoint.x(); }
+    float y() const { return targetPoint.y(); }
+
+    float x1() const { return point1.x(); }
+    float y1() const { return point1.y(); }
+
+    float x2() const { return point2.x(); }
+    float y2() const { return point2.y(); }
+
     SVGPathSegType command;
     FloatPoint targetPoint;
     FloatPoint point1;