Make reloadSources service RPC public

runtime/vm/service.h

Index: runtime/vm/service.h
diff --git a/runtime/vm/service.h b/runtime/vm/service.h
index 6f9d1d60494033f24dbe87359b0b5d097a93b1ba..935f176e86c79d4ce6609ed0fe1e44dcbc7e0a35 100644
--- a/runtime/vm/service.h
+++ b/runtime/vm/service.h
@@ -164,6 +164,8 @@ class Service : public AllStatic {
 
   static void PrintJSONForVM(JSONStream* js, bool ref);
 
+  static void CheckForPause(Isolate* isolate, JSONStream* stream);
+
  private:
   static void InvokeMethod(Isolate* isolate,
                            const Array& message,
@@ -199,6 +201,8 @@ class Service : public AllStatic {
                         const char* kind,
                         JSONStream* event);
 
+  static void MaybePause(Isolate* isolate);
+
   static EmbedderServiceHandler* isolate_service_handler_head_;
   static EmbedderServiceHandler* root_service_handler_head_;
   static Dart_ServiceStreamListenCallback stream_listen_callback_;