DNC - JSON of flattenables, with field names.

src/effects/gradients/SkTwoPointConicalGradient.cpp

Index: src/effects/gradients/SkTwoPointConicalGradient.cpp
diff --git a/src/effects/gradients/SkTwoPointConicalGradient.cpp b/src/effects/gradients/SkTwoPointConicalGradient.cpp
index f33dcc5a75f9d4ad73571764cd3d4a1d1d710f1c..c6c5ad21c66968f6cec7134bfd0139d64b0dd549 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient.cpp
+++ b/src/effects/gradients/SkTwoPointConicalGradient.cpp
@@ -345,11 +345,11 @@ sk_sp<SkFlattenable> SkTwoPointConicalGradient::CreateProc(SkReadBuffer& buffer)
 
 void SkTwoPointConicalGradient::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
-    buffer.writePoint(fCenter1);
-    buffer.writePoint(fCenter2);
-    buffer.writeScalar(fRadius1);
-    buffer.writeScalar(fRadius2);
-    buffer.writeBool(fFlippedGrad);
+    buffer.writePoint("fCenter1", fCenter1);
+    buffer.writePoint("fCenter2", fCenter2);
+    buffer.writeScalar("fRadius1", fRadius1);
+    buffer.writeScalar("fRadius2", fRadius2);
+    buffer.writeBool("fFlippedGrad", fFlippedGrad);
 }
 
 #if SK_SUPPORT_GPU