Document some recent service protocol features

runtime/observatory/lib/src/service/object.dart

Index: runtime/observatory/lib/src/service/object.dart
diff --git a/runtime/observatory/lib/src/service/object.dart b/runtime/observatory/lib/src/service/object.dart
index b27a977c5a604c0d103c18439f1c9f5fd69b12fd..76c1941832c61a6db4c8ca2f1c3a3e7f7f3b5cc8 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -43,12 +43,12 @@ class ServerRpcException extends RpcException implements M.RequestException {
   static const kIsolateMustBeRunnable = 105;
   static const kIsolateMustBePaused = 106;
   static const kCannotResume = 107;
-  static const kIsolateIsReloading = 1000;
+  static const kIsolateIsReloading = 108;
+  static const kIsolateReloadBarred = 109;
+
   static const kFileSystemAlreadyExists = 1001;
   static const kFileSystemDoesNotExist = 1002;
   static const kFileDoesNotExist = 1003;
-  static const kIsolateReloadFailed = 1004;
-  static const kIsolateReloadBarred = 1005;
 
   int code;
   Map data;