Return zone from initPolymer

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 14 matching lines @@
  *      [CustomTag] and invoke the initialization method on it. If [libraries]
  *      is null, first find all libraries that need to be loaded by scanning for
  *      HTML imports in the main document.
  *
  * The initialization on each library is a top-level function and annotated with
  * [initMethod].
  *
  * The urls in [libraries] can be absolute or relative to
  * `currentMirrorSystem().isolate.rootLibrary.uri`.
  */
-void initPolymer() {
+Zone initPolymer() {
   if (_useDirtyChecking) {
-    dirtyCheckZone().run(_initPolymerOptimized);
-  } else {
-    _initPolymerOptimized();
+    var zone = dirtyCheckZone();

[Jennifer Messerly, 2013/10/29 02:16:17]

return dirtyCheckZone()..run(_initPolymerOptimized);

:)

[Siggi Cherem (dart-lang), 2013/10/29 02:53:14]

Done. beautiful =)

+    zone.run(_initPolymerOptimized);
+    return zone;
   }
+
+  _initPolymerOptimized();
+  return Zone.current;
 }
 
 /**
  * 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 libraries must
  * be supplied instead of being dynamically searched for at runtime.
  */
 // TODO(jmesserly): change the Polymer build step to call this directly.
 void _initPolymerOptimized() {
@@ skipping 157 matching lines @@
     print("warning: methods marked with @initMethod should take no "
         "arguments, ${method.simpleName} expects some.");
     return;
   }
   obj.invoke(method.simpleName, const []);
 }
 
 class _InitMethodAnnotation {
   const _InitMethodAnnotation();
 }