Remove reflectedType hack from Polymer.

pkg/polymer/lib/src/reflected_type.dart

Index: pkg/polymer/lib/src/reflected_type.dart
diff --git a/pkg/polymer/lib/src/reflected_type.dart b/pkg/polymer/lib/src/reflected_type.dart
deleted file mode 100644
index 6486abc4659a396f40e2c07c8875b920844df430..0000000000000000000000000000000000000000
--- a/pkg/polymer/lib/src/reflected_type.dart
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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.src.reflected_type;
-
-// These are used by _getReflectedTypeWorkaround, see http://dartbug.com/12607
-@MirrorsUsed(targets:
-    const ['_js_helper.createRuntimeType', 'dart._js_mirrors.JsClassMirror'],
-    override: 'polymer.src.reflected_type')
-import 'dart:mirrors';
-
-// Horrible hack to work around: http://dartbug.com/12607
-Type getReflectedTypeWorkaround(ClassMirror cls) {
-  // On Dart VM, just return reflectedType.
-  if (1.0 is! int) return cls.reflectedType;
-
-  var mangledName = reflect(cls).getField(_mangledNameField).reflectee;
-  Type type = _jsHelper.invoke(#createRuntimeType, [mangledName]).reflectee;
-  return type;
-}
-
-final LibraryMirror _jsHelper =
-    currentMirrorSystem().libraries[Uri.parse('dart:_js_helper')];
-
-final Symbol _mangledNameField = () {
-  var jsClassMirrorMirror = reflect(reflectClass(ClassMirror)).type;
-  for (var name in jsClassMirrorMirror.declarations.keys) {
-    if (MirrorSystem.getName(name) == '_mangledName') return name;
-  }
-}();