Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/error_view.dart

Index: runtime/observatory/lib/src/elements/error_view.dart
diff --git a/runtime/observatory/lib/src/elements/error_view.dart b/runtime/observatory/lib/src/elements/error_view.dart
index aeb3aa848038081b50b206770a5eb7d138d0f03b..330b69e0ca559a7ab7297d8c0f0e90ca158fe90d 100644
--- a/runtime/observatory/lib/src/elements/error_view.dart
+++ b/runtime/observatory/lib/src/elements/error_view.dart
@@ -7,17 +7,16 @@ library error_view_element;
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
+import 'package:observatory/src/elements/helpers/nav_bar.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
-import 'package:observatory/src/elements/nav/bar.dart';
 import 'package:observatory/src/elements/nav/notify.dart';
 import 'package:observatory/src/elements/nav/top_menu.dart';
 import 'package:observatory/src/elements/view_footer.dart';
 
 class ErrorViewElement extends HtmlElement implements Renderable{
   static const tag = const Tag<ErrorViewElement>('error-view',
-                     dependencies: const [NavBarElement.tag,
-                                          NavTopMenuElement.tag,
+                     dependencies: const [NavTopMenuElement.tag,
                                           NavNotifyElement.tag,
                                           ViewFooterElement.tag]);
 
@@ -60,11 +59,10 @@ class ErrorViewElement extends HtmlElement implements Renderable{
 
   void render() {
     children = [
-      new NavBarElement(queue: _r.queue)
-        ..children = [
-          new NavTopMenuElement(last: true, queue: _r.queue),
+      navBar([
+          new NavTopMenuElement(queue: _r.queue),
           new NavNotifyElement(_notifications, queue: _r.queue)
-        ],
+        ]),
       new DivElement()
         ..classes = ['content-centered']
         ..children = [