add conics to path ops

tests/PathOpsTestCommon.cpp

Index: tests/PathOpsTestCommon.cpp
diff --git a/tests/PathOpsTestCommon.cpp b/tests/PathOpsTestCommon.cpp
index f1cba8ed8b2c8d07e79bbdfe5325b240d026f6ab..d93311513227ecb47277ef2a40c00e0efeb045e7 100644
--- a/tests/PathOpsTestCommon.cpp
+++ b/tests/PathOpsTestCommon.cpp
@@ -6,6 +6,7 @@
  */
 #include "PathOpsTestCommon.h"
 #include "SkPathOpsBounds.h"
+#include "SkPathOpsConic.h"
 #include "SkPathOpsCubic.h"
 #include "SkPathOpsLine.h"
 #include "SkPathOpsQuad.h"
@@ -252,6 +253,18 @@ bool ValidBounds(const SkPathOpsBounds& bounds) {
     return !SkScalarIsNaN(bounds.fBottom);
 }
 
+bool ValidConic(const SkDConic& conic) {
+    for (int index = 0; index < SkDConic::kPointCount; ++index) {
+        if (!ValidPoint(conic[index])) {
+            return false;
+        }
+    }
+    if (SkDoubleIsNaN(conic.fWeight)) {
+        return false;
+    }
+    return true;
+}
+
 bool ValidCubic(const SkDCubic& cubic) {
     for (int index = 0; index < 4; ++index) {
         if (!ValidPoint(cubic[index])) {