Removed polymer & mirror from Observatory

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

Index: runtime/observatory/lib/src/elements/icdata_view.dart
diff --git a/runtime/observatory/lib/src/elements/icdata_view.dart b/runtime/observatory/lib/src/elements/icdata_view.dart
index bd6676014c93b1c32a6e5bdf50cf85a24519b341..1d7cecd86cec377b098c0af807aa48440302db2d 100644
--- a/runtime/observatory/lib/src/elements/icdata_view.dart
+++ b/runtime/observatory/lib/src/elements/icdata_view.dart
@@ -7,11 +7,11 @@ import 'dart:html';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/helpers/any_ref.dart';
+import 'package:observatory/src/elements/helpers/nav_bar.dart';
+import 'package:observatory/src/elements/helpers/nav_menu.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/isolate_menu.dart';
-import 'package:observatory/src/elements/nav/menu.dart';
 import 'package:observatory/src/elements/nav/notify.dart';
 import 'package:observatory/src/elements/nav/refresh.dart';
 import 'package:observatory/src/elements/nav/top_menu.dart';
@@ -23,11 +23,9 @@ class ICDataViewElement  extends HtmlElement implements Renderable {
   static const tag = const Tag<ICDataViewElement>('icdata-view',
                                             dependencies: const [
                                               CurlyBlockElement.tag,
-                                              NavBarElement.tag,
                                               NavTopMenuElement.tag,
                                               NavVMMenuElement.tag,
                                               NavIsolateMenuElement.tag,
-                                              NavMenuElement.tag,
                                               NavRefreshElement.tag,
                                               NavNotifyElement.tag,
                                               ObjectCommonElement.tag,
@@ -110,12 +108,11 @@ class ICDataViewElement  extends HtmlElement implements Renderable {
 
   void render() {
     children = [
-      new NavBarElement(queue: _r.queue)
-        ..children = [
+      navBar([
           new NavTopMenuElement(queue: _r.queue),
           new NavVMMenuElement(_vm, _events, queue: _r.queue),
           new NavIsolateMenuElement(_isolate, _events, queue: _r.queue),
-          new NavMenuElement('instance', last: true, queue: _r.queue),
+          navMenu('instance'),
           new NavRefreshElement(queue: _r.queue)
               ..onRefresh.listen((e) async {
                 e.element.disabled = true;
@@ -123,8 +120,7 @@ class ICDataViewElement  extends HtmlElement implements Renderable {
                 _r.dirty();
               }),
           new NavNotifyElement(_notifications, queue: _r.queue)
-        ],
-
+        ]),
       new DivElement()..classes = ['content-centered-big']
         ..children = [
           new HeadingElement.h2()..text = 'ICData',