Implement conics for NVPR

src/core/SkPath.cpp

Index: src/core/SkPath.cpp
diff --git a/src/core/SkPath.cpp b/src/core/SkPath.cpp
index 5288b85db37e3ed4e6d5e68532975032ef7374d5..a0abe166f56fc66190d518c5108592650f23ad82 100644
--- a/src/core/SkPath.cpp
+++ b/src/core/SkPath.cpp
@@ -644,6 +644,17 @@ void SkPath::setLastPt(SkScalar x, SkScalar y) {
     }
 }
 
+int SkPath::countConicWeights() const {
+    return fPathRef->countWeights();
+}
+
+SkScalar SkPath::getConicWeight(int index) const {
+    if ((unsigned)index < (unsigned)fPathRef->countWeights()) {
+        return fPathRef->atConicWeight(index);
+    }
+    return SkIntToScalar(0);
+}
+
 void SkPath::setConvexity(Convexity c) {
     if (fConvexity != c) {
         fConvexity = c;