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runtime/bin/vmservice/client/build.dart

 // Copyright (c) 2013, 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.
 
 import 'package:polymer/builder.dart';
 import 'dart:io';
 import 'dart:async';
-import 'package:path/path.dart';
 
 main() {
   lint()
     .then((_) => deploy()).then(compileToJs);
 }
 
 compileToJs(_) {
   print("Running dart2js");
   var result =
-    Process.runSync('dart2js', ['--minify',
-        '-o', 'out/web/index.html_bootstrap.dart.js',
+    Process.runSync('dart2js',
+        [ '--minify', '-o', 'out/web/index.html_bootstrap.dart.js',
         'out/web/index.html_bootstrap.dart'], runInShell: true);
   print(result.stdout);
   print("Done");
 }