Refactor Observatory

runtime/bin/vmservice/client/lib/src/elements/observatory_element.dart

Index: runtime/bin/vmservice/client/lib/src/elements/observatory_element.dart
diff --git a/runtime/bin/vmservice/client/lib/src/observatory_elements/observatory_element.dart b/runtime/bin/vmservice/client/lib/src/elements/observatory_element.dart
similarity index 88%
rename from runtime/bin/vmservice/client/lib/src/observatory_elements/observatory_element.dart
rename to runtime/bin/vmservice/client/lib/src/elements/observatory_element.dart
index 74db7e08333c118f3fa105a881ef948f9c579163..a5537a015559427d17c0a0b2e9a4caf491e9d670 100644
--- a/runtime/bin/vmservice/client/lib/src/observatory_elements/observatory_element.dart
+++ b/runtime/bin/vmservice/client/lib/src/elements/observatory_element.dart
@@ -6,11 +6,8 @@ library observatory_element;
 
 import 'dart:math';
 import 'package:polymer/polymer.dart';
-import 'package:observatory/observatory.dart';
-export 'package:observatory/observatory.dart';
 
-/// Base class for all custom elements. Holds an observable
-/// [ObservableApplication] and applies author styles.
+/// Base class for all Observatory custom elements.
 @CustomTag('observatory-element')
 class ObservatoryElement extends PolymerElement {
   ObservatoryElement.created() : super.created();
@@ -23,13 +20,10 @@ class ObservatoryElement extends PolymerElement {
     super.leftView();
   }
 
-  void attributeChanged(String name, String oldValue, String newValue) {
+  void attributeChanged(String name, var oldValue, var newValue) {
     super.attributeChanged(name, oldValue, newValue);
   }
 
-  @published ObservatoryApplication app;
-  void appChanged(oldValue) {
-  }
   bool get applyAuthorStyles => true;
 
   static String _zeroPad(int value, int pad) {
@@ -92,7 +86,7 @@ class ObservatoryElement extends PolymerElement {
   String fileAndLine(Map frame) {
     var file = frame['script']['user_name'];
     var shortFile = file.substring(file.lastIndexOf('/') + 1);
-    return "${shortFile}:${frame['line']}";    
+    return "${shortFile}:${frame['line']}";
   }
 
   bool isNullRef(String type) {