Replace bootstrap logic with 'boot.js', use 'component/dart' mime-type and add

pkg/polymer/example/canonicalization/test/canonicalization2_test.dart

Index: pkg/polymer/example/canonicalization/test/canonicalization2_test.dart
diff --git a/runtime/vm/code_patcher_arm64_test.cc b/pkg/polymer/example/canonicalization/test/canonicalization2_test.dart
similarity index 60%
copy from runtime/vm/code_patcher_arm64_test.cc
copy to pkg/polymer/example/canonicalization/test/canonicalization2_test.dart
index 7c2fe8f24e2c2b105216c145ac790527ca4c0dba..3ca67a097f20d515685d7b36267840d5e34811da 100644
--- a/runtime/vm/code_patcher_arm64_test.cc
+++ b/pkg/polymer/example/canonicalization/test/canonicalization2_test.dart
@@ -2,9 +2,9 @@
 // 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.
 
-#include "vm/globals.h"
-#if defined(TARGET_ARCH_ARM64)
+library canonicalization.test.canonizalization2_test;
 
-// TODO(zra): Port these tests.
+import 'package:polymer/polymer.dart';
+import 'common.dart';
 
-#endif  // defined TARGET_ARCH_ARM64
+@initMethod main() => tests();