Switch polymer's build.dart to use the new linter. This CL does the following

samples/third_party/todomvc/build.dart

Index: samples/third_party/todomvc/build.dart
diff --git a/samples/third_party/todomvc/build.dart b/samples/third_party/todomvc/build.dart
index 3bac4f675d8ed513823e5ec73909958886f23dc0..74ef11dd2fd83808a272422cdb0b45fc308c125a 100755
--- a/samples/third_party/todomvc/build.dart
+++ b/samples/third_party/todomvc/build.dart
@@ -3,10 +3,11 @@
 // 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 'dart:io';
-import 'package:polymer/component_build.dart';
-import 'package:polymer/deploy.dart' as deploy;
+import 'package:polymer/build_helper.dart';
 
 void main() {
-  build(new Options().arguments, ['web/index.html']).then((_) => deploy.main());
-}
+  var options = parseOptions();
+  lint(entrypoints: ['web/index.html']).then((_) {
+    if (options.forceDeploy) deploy(entrypoints: ['web/index.html']);
+  });
+}