add conics to path ops

src/pathops/SkIntersectionHelper.h

Index: src/pathops/SkIntersectionHelper.h
diff --git a/src/pathops/SkIntersectionHelper.h b/src/pathops/SkIntersectionHelper.h
index c633fd02dfdffbb397a18206bd4fdd83a6b4bc54..79de034706b2c74f71b6f72748c40309abaa36ff 100644
--- a/src/pathops/SkIntersectionHelper.h
+++ b/src/pathops/SkIntersectionHelper.h
@@ -19,6 +19,7 @@ public:
         kVerticalLine_Segment = 0,
         kLine_Segment = SkPath::kLine_Verb,
         kQuad_Segment = SkPath::kQuad_Verb,
+        kConic_Segment = SkPath::kConic_Verb,
         kCubic_Segment = SkPath::kCubic_Verb,
     };
 
@@ -82,6 +83,10 @@ public:
         return bounds().fTop;
     }
 
+    SkScalar weight() const {
+        return fSegment->weight();
+    }
+
     SkScalar x() const {
         return bounds().fLeft;
     }