Use smoke in polymer and polymer_expressions.

pkg/polymer/lib/builder.dart

Index: pkg/polymer/lib/builder.dart
diff --git a/pkg/polymer/lib/builder.dart b/pkg/polymer/lib/builder.dart
index 64d06e93ac0ac82a196df0be733afc1e9d50fe99..ec7995bd389a02bf64a00962bdc69c5d6cf303ea 100644
--- a/pkg/polymer/lib/builder.dart
+++ b/pkg/polymer/lib/builder.dart
@@ -195,7 +195,9 @@ Future deploy({List<String> entryPoints, CommandLineOptions options,
   var barbackOptions = new BarbackOptions(
       phases, options.outDir, currentPackage: currentPackage,
       packageDirs: packageDirs, machineFormat: options.machineFormat,
-      packagePhases: {'polymer' : phasesForPolymer});
+      // TODO(sigmund): include here also smoke transformer when it's on by
+      // default.
+      packagePhases: {'polymer': phasesForPolymer});
   return runBarback(barbackOptions)
       .then((_) => print('Done! All files written to "${options.outDir}"'));
 }