fix event logging

pkg/polymer/lib/src/instance.dart

Index: pkg/polymer/lib/src/instance.dart
diff --git a/pkg/polymer/lib/src/instance.dart b/pkg/polymer/lib/src/instance.dart
index e46fda35ad9cd190f17827c30a3700f0d807f800..bf00064c6f5a661b14c68220fe0bdbf10ef72b4f 100644
--- a/pkg/polymer/lib/src/instance.dart
+++ b/pkg/polymer/lib/src/instance.dart
@@ -748,8 +748,7 @@ abstract class Polymer implements Element, Observable, NodeBindExtension {
     // provide an event-binding callback.
     // return (model, name, node) {
     if (_eventsLog.isLoggable(Level.FINE)) {
-      _eventsLog.fine('event: [${node.localName}].$name => '
-          '[${model.localName}].$path())');
+      _eventsLog.fine('event: [$node].$name => [$model].$path())');
     }
     var eventName = _removeEventPrefix(name);
     // TODO(sigmund): polymer.js dropped event translations. reconcile?