Roll Observatory packages and add a roll script

smoke/lib/src/default_transformer.dart

Index: smoke/lib/src/default_transformer.dart
diff --git a/smoke/lib/src/default_transformer.dart b/smoke/lib/src/default_transformer.dart
deleted file mode 100644
index 5c634a24e09f8de2ad22ae009889899875b59859..0000000000000000000000000000000000000000
--- a/smoke/lib/src/default_transformer.dart
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright (c) 2014, 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.
-
-/// Transformer that replaces the default mirror-based implementation of smoke,
-/// so that during deploy smoke doesn't include any dependency on dart:mirrors.
-library smoke.src.default_transformer;
-
-import 'dart:async';
-import 'package:barback/barback.dart';
-
-/// Replaces the default mirror-based implementation of smoke in
-/// `pacakge:smoke/implementation.dart`, so that during deploy smoke doesn't
-/// include any dependency on dart:mirrors.
-// TODO(sigmund): include tests that run this transformation automatically.
-class DefaultTransformer extends Transformer {
-  DefaultTransformer.asPlugin();
-
-  /// Only apply to `lib/src/implementation.dart`.
-  // TODO(nweiz): This should just take an AssetId when barback <0.13.0 support
-  // is dropped.
-  Future<bool> isPrimary(idOrAsset) {
-    var id = idOrAsset is AssetId ? idOrAsset : idOrAsset.id;
-    return new Future.value(
-        id.package == 'smoke' && id.path == 'lib/src/implementation.dart');
-  }
-
-  Future apply(Transform transform) {
-    var id = transform.primaryInput.id;
-    return transform.primaryInput.readAsString().then((code) {
-      // Note: this rewrite is highly-coupled with how implementation.dart is
-      // written. Make sure both are updated in sync.
-      transform.addOutput(new Asset.fromString(id, code
-          .replaceAll(
-              new RegExp('new Reflective[^;]*;'), 'throwNotConfiguredError();')
-          .replaceAll("import 'package:smoke/mirrors.dart';", '')));
-    });
-  }
-}
-
-/** Transformer phases which should be applied to the smoke package. */
-List<List<Transformer>> get phasesForSmoke =>
-    [[new DefaultTransformer.asPlugin()]];