Move service into VM

runtime/vm/service.h

Index: runtime/vm/service.h
diff --git a/runtime/vm/service.h b/runtime/vm/service.h
index 84b467b4013dae3d2aa7003f981031fe72fee14a..2cf74967e0a5d1b6992ae1b62e491698d58cbd35 100644
--- a/runtime/vm/service.h
+++ b/runtime/vm/service.h
@@ -17,6 +17,19 @@ 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