Converted Observatory nav-bar element

runtime/observatory/lib/elements.dart

 library observatory_elements;
 
 // Export elements.
 export 'package:observatory/src/elements/action_link.dart';
 export 'package:observatory/src/elements/class_ref.dart';
 export 'package:observatory/src/elements/class_tree.dart';
 export 'package:observatory/src/elements/class_view.dart';
 export 'package:observatory/src/elements/code_ref.dart';
 export 'package:observatory/src/elements/code_view.dart';
 export 'package:observatory/src/elements/context_ref.dart';
@@ skipping 44 matching lines @@
 export 'package:observatory/src/elements/sliding_checkbox.dart';
 export 'package:observatory/src/elements/timeline_page.dart';
 export 'package:observatory/src/elements/vm_connect.dart';
 export 'package:observatory/src/elements/vm_ref.dart';
 export 'package:observatory/src/elements/vm_view.dart';
 
 import 'dart:async';
 
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/curly_block_wrapper.dart';
+import 'package:observatory/src/elements/nav/bar.dart';
 import 'package:observatory/src/elements/nav/menu.dart';
 import 'package:observatory/src/elements/nav/menu_wrapper.dart';
 import 'package:observatory/src/elements/nav/menu_item.dart';
 import 'package:observatory/src/elements/nav/menu_item_wrapper.dart';
 import 'package:observatory/src/elements/nav/refresh.dart';
 import 'package:observatory/src/elements/nav/refresh_wrapper.dart';
 import 'package:observatory/src/elements/nav/top_menu.dart';
 import 'package:observatory/src/elements/nav/top_menu_wrapper.dart';
 import 'package:observatory/src/elements/view_footer.dart';
 
 export 'package:observatory/src/elements/helpers/rendering_queue.dart';
 
 export 'package:observatory/src/elements/curly_block.dart';
+export 'package:observatory/src/elements/nav/bar.dart';
 export 'package:observatory/src/elements/nav/menu.dart';
 export 'package:observatory/src/elements/nav/menu_item.dart';
 export 'package:observatory/src/elements/nav/refresh.dart';
 export 'package:observatory/src/elements/nav/top_menu.dart';
 export 'package:observatory/src/elements/view_footer.dart';
 
 // Even though this function does not invoke any asynchronous operation
 // it is marked as async to allow future backward compatible changes.
 Future initElements() async {
   CurlyBlockElement.tag.ensureRegistration();
   CurlyBlockElementWrapper.tag.ensureRegistration();
+  NavBarElement.tag.ensureRegistration();
   NavMenuElement.tag.ensureRegistration();
   NavMenuElementWrapper.tag.ensureRegistration();
   NavMenuItemElement.tag.ensureRegistration();
   NavMenuItemElementWrapper.tag.ensureRegistration();
   NavRefreshElement.tag.ensureRegistration();
   NavRefreshElementWrapper.tag.ensureRegistration();
   NavTopMenuElement.tag.ensureRegistration();
   NavTopMenuElementWrapper.tag.ensureRegistration();
   ViewFooterElement.tag.ensureRegistration();
 }