Begin migrating the vm service from a rest-style interface to a json-rpc style interface.

runtime/vm/service.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_SERVICE_H_
 #define VM_SERVICE_H_
 
 #include "include/dart_api.h"
 
 #include "vm/allocation.h"
@@ skipping 14 matching lines @@
 
 class Service : public AllStatic {
  public:
   static const char* kIsolateName;
   static bool IsServiceIsolateName(const char* name);
 
   // Handles a message which is not directed to an isolate.
   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);
   static bool SendIsolateStartupMessage();
   static bool SendIsolateShutdownMessage();
 
   static bool IsRunning();
   static void SetServicePort(Dart_Port port);
   static void SetServiceIsolate(Isolate* isolate);
   static bool HasServiceIsolate();
@@ skipping 72 matching lines @@
   static bool initializing_;
   static Isolate* service_isolate_;
   static Dart_Port service_port_;
   static Dart_Port load_port_;
   static uint32_t event_mask_;
 };
 
 }  // namespace dart
 
 #endif  // VM_SERVICE_H_