Finish moving service protocol to json rpc.

runtime/vm/service.h

Index: runtime/vm/service.h
diff --git a/runtime/vm/service.h b/runtime/vm/service.h
index 2816173651ae7e2dace8828faeb8439e828ab4a2..2af9b2dfaa951e71dcf28a4b37674b80ca1b53d4 100644
--- a/runtime/vm/service.h
+++ b/runtime/vm/service.h
@@ -29,11 +29,9 @@ class Service : public AllStatic {
   static bool IsServiceIsolateName(const char* name);
 
   // Handles a message which is not directed to an isolate.
-  static void HandleRootMessageNew(const Array& message);
   static void HandleRootMessage(const Instance& message);
 
   // Handles a message which is directed to a particular isolate.
-  static void HandleIsolateMessageNew(Isolate* isolate, const Array& message);
   static void HandleIsolateMessage(Isolate* isolate, const Array& message);
 
   static Isolate* GetServiceIsolate(void* callback_data);