DNC - JSON of flattenables, with field names.

src/core/SkComposeShader.cpp

Index: src/core/SkComposeShader.cpp
diff --git a/src/core/SkComposeShader.cpp b/src/core/SkComposeShader.cpp
index 46b7724944676a297b5745b4f658ec40dd34ca5c..821e4c772611684edbe8812ffe7a1bdbe1c3181d 100644
--- a/src/core/SkComposeShader.cpp
+++ b/src/core/SkComposeShader.cpp
@@ -50,9 +50,9 @@ sk_sp<SkFlattenable> SkComposeShader::CreateProc(SkReadBuffer& buffer) {
 }
 
 void SkComposeShader::flatten(SkWriteBuffer& buffer) const {
-    buffer.writeFlattenable(fShaderA.get());
-    buffer.writeFlattenable(fShaderB.get());
-    buffer.writeFlattenable(fMode.get());
+    buffer.writeFlattenable("fShaderA", fShaderA.get());
+    buffer.writeFlattenable("fShaderB", fShaderB.get());
+    buffer.writeFlattenable("fMode", fMode.get());
 }
 
 template <typename T> void safe_call_destructor(T* obj) {