Prune the old deploy code. This CL does a few changes:

pkg/polymer/test/transform/common.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.
 
 library polymer.test.transfom.common;
 
 import 'dart:async';
 
 import 'package:barback/barback.dart';
 import 'package:stack_trace/stack_trace.dart';
@@ skipping 77 matching lines @@
 }
 
 testPhases(String testName, List<List<Transformer>> phases,
     Map<String, String> inputFiles, Map<String, String> expectedFiles) {
   test(testName, () {
     var helper = new TestHelper(phases, inputFiles)..run();
     return helper.checkAll(expectedFiles).then((_) => helper.tearDown());
   });
 }
 
+const SHADOW_DOM_TAG =
+    '<script src="packages/shadow_dom/shadow_dom.min.js"></script>\n';
+
+const INTEROP_TAG = '<script src="packages/browser/interop.js"></script>\n';