Even easier observatory testing.

runtime/bin/vmservice/observatory/test/metrics_script.dart

Index: runtime/bin/vmservice/observatory/test/metrics_script.dart
===================================================================
--- runtime/bin/vmservice/observatory/test/metrics_script.dart	(revision 39049)
+++ runtime/bin/vmservice/observatory/test/metrics_script.dart	(working copy)
@@ -1,18 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library allocations_script;
-
-import 'dart:io';
-import 'dart:profiler';
-
-main() {
-  var counter = new Counter('a.b.c', 'description');
-  Metrics.register(counter);
-  counter.value = 1234.5;
-
-  print(''); // Print blank line to signal that we are ready.
-  // Wait until signaled from spawning test.
-  stdin.first.then((_) => exit(0));
-}