Declare the sequence of phases for the full polymer transform and add tests for

pkg/polymer/lib/src/transform.dart

Index: pkg/polymer/lib/src/transform.dart
diff --git a/pkg/polymer/lib/src/transform.dart b/pkg/polymer/lib/src/transform.dart
index 48b78e70b1317f1fd7c8797f9057542e7310dbde..ff5de2b6f137cf66b47d2a3fd5d12ca66ac71a8b 100644
--- a/pkg/polymer/lib/src/transform.dart
+++ b/pkg/polymer/lib/src/transform.dart
@@ -3,8 +3,22 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /** Transfomers used for pub-serve and pub-deploy. */
+// TODO(sigmund): move into a plugin directory when pub supports it.
 library polymer.src.transform;
 
+import 'package:observe/transform.dart';
+import 'transform/code_extractor.dart';
+import 'transform/import_inliner.dart';
+import 'transform/script_compactor.dart';
+
 export 'transform/code_extractor.dart';
 export 'transform/import_inliner.dart';
 export 'transform/script_compactor.dart';
+
+/** Phases to deploy a polymer application. */
+var phases = [
+  [new InlineCodeExtractor()],
+  [new ObservableTransformer()],
+  [new ImportedElementInliner()],
+  [new ScriptCompactor()]
+];