Merge libv1.

samples/sample_extension/test_sample_synchronous_extension.dart

 // Copyright (c) 2012, 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("test_sample_extension");
+library test_sample_extension;
 
-#import("sample_synchronous_extension.dart");
+import 'sample_synchronous_extension.dart';
 
 // TODO(3008): Run this test automatically on buildbot (dart:3008).
 void main() {
   systemSrand(17);
   var x1 = systemRand();
   var x2 = systemRand();
   var x3 = systemRand();
   Expect.notEquals(x1, x2);
   Expect.notEquals(x1, x3);
   Expect.notEquals(x2, x3);
   systemSrand(17);
   Expect.equals(x1, systemRand());
   Expect.equals(x2, systemRand());
   Expect.equals(x3, systemRand());
   systemSrand(18);
   Expect.notEquals(x1, systemRand());
   Expect.notEquals(x2, systemRand());
   Expect.notEquals(x3, systemRand());
 }