Misc service fixes

runtime/bin/vmservice/server.dart

Index: runtime/bin/vmservice/server.dart
diff --git a/runtime/bin/vmservice/server.dart b/runtime/bin/vmservice/server.dart
index bd84a2f84ef47d7b4c2e99c564d68e3aa6321034..4723ca507fc9ce03c863f55ef05f74b8801f0a6f 100644
--- a/runtime/bin/vmservice/server.dart
+++ b/runtime/bin/vmservice/server.dart
@@ -141,8 +141,8 @@ class Server {
       request.response.close();
       return;
     }
-    var message = new Message.fromUri(this, request.uri);
     var client = new HttpRequestClient(request, _service);
+    var message = new Message.fromUri(client, request.uri);
     client.onMessage(null, message);
   }