Removed polymer & mirror from Observatory

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

Index: runtime/observatory/lib/src/elements/general_error.dart
diff --git a/runtime/observatory/lib/src/elements/general_error.dart b/runtime/observatory/lib/src/elements/general_error.dart
index 943ba3c033b9aa2e3ea79b185babbd75d22b5f74..473e724e64689a442e82f267728bfeb1f63e45cc 100644
--- a/runtime/observatory/lib/src/elements/general_error.dart
+++ b/runtime/observatory/lib/src/elements/general_error.dart
@@ -7,16 +7,15 @@ library general_error_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/tag.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.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';
 
 class GeneralErrorElement extends HtmlElement implements Renderable {
   static const tag = const Tag<GeneralErrorElement>('general-error',
-                     dependencies: const [NavBarElement.tag,
-                                          NavTopMenuElement.tag,
+                     dependencies: const [NavTopMenuElement.tag,
                                           NavNotifyElement.tag]);
 
   RenderingScheduler _r;
@@ -59,11 +58,10 @@ class GeneralErrorElement extends HtmlElement implements Renderable {
 
   void render() {
     children = [
-      new NavBarElement(queue: _r.queue)
-        ..children = [
-          new NavTopMenuElement(last: true, queue: _r.queue),
-          new NavNotifyElement(_notifications, queue: _r.queue)
-        ],
+      navBar([
+        new NavTopMenuElement(queue: _r.queue),
+        new NavNotifyElement(_notifications, queue: _r.queue)
+      ]),
       new DivElement()..classes = ['content-centered']
         ..children = [
           new HeadingElement.h1()..text = 'Error',