JSONStream Print Dart Objects

runtime/vm/json_stream.h

Index: runtime/vm/json_stream.h
diff --git a/runtime/vm/json_stream.h b/runtime/vm/json_stream.h
index 1b019ff569259ee77edf60cccad5b593b3e4d492..7650c9b30595892011ea1b71b192de4939f9a81c 100644
--- a/runtime/vm/json_stream.h
+++ b/runtime/vm/json_stream.h
@@ -9,6 +9,7 @@
 
 namespace dart {
 
+class Object;
 
 class JSONStream : ValueObject {
  public:
@@ -27,11 +28,13 @@ class JSONStream : ValueObject {
   void PrintValue(intptr_t i);
   void PrintValue(double d);
   void PrintValue(const char* s);
+  void PrintValue(const Object& o, bool ref = true);
 
   void PrintPropertyBool(const char* name, bool b);
   void PrintProperty(const char* name, intptr_t i);
   void PrintProperty(const char* name, double d);
   void PrintProperty(const char* name, const char* s);
+  void PrintProperty(const char* name, const Object& o, bool ref = true);
 
  private:
   void PrintPropertyName(const char* name);