Wrapping leaf nodes in non polymer elements

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

Index: runtime/observatory/lib/src/elements/view_footer.dart
diff --git a/runtime/observatory/lib/src/elements/view_footer.dart b/runtime/observatory/lib/src/elements/view_footer.dart
index a182511bb93990185d4cd6bb7c896238e3e7b134..473bde8274a70e3e1c45fa2b85d4dbeca619f26e 100644
--- a/runtime/observatory/lib/src/elements/view_footer.dart
+++ b/runtime/observatory/lib/src/elements/view_footer.dart
@@ -4,10 +4,27 @@
 
 library view_footer_element;
 
-import 'package:polymer/polymer.dart';
-import 'observatory_element.dart';
+import 'dart:html';
+import 'package:observatory/src/elements/helpers/tag.dart';
+
+class ViewFooterElement extends HtmlElement {
+  static const tag = const Tag<ViewFooterElement>('view-footer');
+
+  factory ViewFooterElement() => document.createElement(tag.name);
 
-@CustomTag('view-footer')
-class ViewFooterElement extends ObservatoryElement {
   ViewFooterElement.created() : super.created();
+
+  @override
+  void attached() { super.attached(); render(); }
+
+  void render() {
+    children = [
+        new AnchorElement()
+          ..href = 'https://www.dartlang.org/tools/observatory'
+          ..text = 'View documentation',
+        new AnchorElement()
+          ..href = 'https://github.com/dart-lang/sdk/issues/new?title=Observatory:&amp;body=Observatory%20Feedback'
+          ..text = 'File a bug report'
+    ];
+  }
 }