Use smoke in polymer and polymer_expressions.

pkg/polymer/lib/src/loader.dart

 // 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.
 
 part of polymer;
 
 /** Annotation used to automatically register polymer elements. */
 class CustomTag {
   final String tagName;
   const CustomTag(this.tagName);
@@ skipping 32 matching lines @@
 }
 
 /**
  * Same as [initPolymer], but runs the version that is optimized for deployment
  * to the internet. The biggest difference is it omits the [Zone] that
  * automatically invokes [Observable.dirtyCheck], and the list of initializers
  * must be supplied instead of being dynamically searched for at runtime using
  * mirrors.
  */
 Zone initPolymerOptimized() {
+  // TODO(sigmund): refactor this so we can replace it by codegen.
+  smoke.useMirrors();
   // TODO(jmesserly): there is some code in src/declaration/polymer-element.js,
   // git version 37eea00e13b9f86ab21c85a955585e8e4237e3d2, right before
   // it registers polymer-element, which uses Platform.deliverDeclarations to
   // coordinate with HTML Imports. I don't think we need it so skipping.
   document.register(PolymerDeclaration._TAG, PolymerDeclaration);
 
   for (var initializer in _initializers) {
     initializer();
   }
 
@@ skipping 175 matching lines @@
     print("warning: methods marked with @initMethod should take no "
         "arguments, ${method.simpleName} expects some.");
     return;
   }
   initializers.add(() => obj.invoke(method.simpleName, const []));
 }
 
 class _InitMethodAnnotation {
   const _InitMethodAnnotation();
 }