Move service into VM

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"
 
 namespace dart {
 
 class Instance;
 class Isolate;
 
 class Service : public AllStatic {
  public:
   static void HandleServiceMessage(Isolate* isolate, const Instance& message);
+  static Isolate* GetServiceIsolate(void* callback_data);
+  static bool SendIsolateStartupMessage();
+  static bool SendIsolateShutdownMessage();
+ private:
+  static bool IsRunning();
+  static Isolate* service_isolate_;
+  static Dart_LibraryTagHandler default_handler_;
+  static Dart_Port port_;
+  static Dart_Handle GetSource(const char* name);
+  static Dart_Handle LibraryTagHandler(Dart_LibraryTag tag, Dart_Handle library,
+                                       Dart_Handle url);
 };
 
 }  // namespace dart
 
 #endif  // VM_SERVICE_H_