DNC - JSON of flattenables, with field names.

src/effects/Sk2DPathEffect.cpp

Index: src/effects/Sk2DPathEffect.cpp
diff --git a/src/effects/Sk2DPathEffect.cpp b/src/effects/Sk2DPathEffect.cpp
index 52e3fa5e1c88b63d3f7c797a5ab736a7e8feb81f..1720362aa501f2e1157bec7fdd8b9793d9c53681 100644
--- a/src/effects/Sk2DPathEffect.cpp
+++ b/src/effects/Sk2DPathEffect.cpp
@@ -70,7 +70,7 @@ void Sk2DPathEffect::end(SkPath* dst) const {}
 
 void Sk2DPathEffect::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
-    buffer.writeMatrix(fMatrix);
+    buffer.writeMatrix("fMatrix", fMatrix);
 }
 
 #ifndef SK_IGNORE_TO_STRING
@@ -114,8 +114,8 @@ sk_sp<SkFlattenable> SkLine2DPathEffect::CreateProc(SkReadBuffer& buffer) {
 }
 
 void SkLine2DPathEffect::flatten(SkWriteBuffer &buffer) const {
-    buffer.writeMatrix(this->getMatrix());
-    buffer.writeScalar(fWidth);
+    buffer.writeMatrix("fMatrix", this->getMatrix());
+    buffer.writeScalar("fWidth", fWidth);
 }
 
 
@@ -143,8 +143,8 @@ sk_sp<SkFlattenable> SkPath2DPathEffect::CreateProc(SkReadBuffer& buffer) {
 }
 
 void SkPath2DPathEffect::flatten(SkWriteBuffer& buffer) const {
-    buffer.writeMatrix(this->getMatrix());
-    buffer.writePath(fPath);
+    buffer.writeMatrix("fMatrix", this->getMatrix());
+    buffer.writePath("fPath", fPath);
 }
 
 void SkPath2DPathEffect::next(const SkPoint& loc, int u, int v,