Removing Element.createdCallback

tests/html/custom/created_callback_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library created_callback_test;
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import 'dart:html';
 import 'dart:js' as js;
 import '../utils.dart';
 
 class A extends HtmlElement {
   static final tag = 'x-a';
   factory A() => new Element.tag(tag);
-  A.created() : super.created();
+  A.created() : super.created() {
+    createdInvocations++;
+  }
 
   static int createdInvocations = 0;
-
-  void createdCallback() {
-    createdInvocations++;
-  }
 }
 
 class B extends HtmlElement {
   static final tag = 'x-b';
   factory B() => new Element.tag(tag);
   B.created() : super.created();
 }
 
 class C extends HtmlElement {
   static final tag = 'x-c';
   factory C() => new Element.tag(tag);
-  C.created() : super.created();
-
-  static int createdInvocations = 0;
-  static var div;
-
-  void createdCallback() {
+  C.created() : super.created() {
     createdInvocations++;
 
     if (this.id != 'u') {
       return;
     }
 
     var t = div.query('#t');
     var v = div.query('#v');
     var w = div.query('#w');
 
     expect(query('x-b:not(:unresolved)'), this);
     expect(queryAll(':unresolved'), [v, w]);
 
     // As per:
     // http://www.w3.org/TR/2013/WD-custom-elements-20130514/#serializing-and-parsing
     // creation order is t, u, v, w (postorder).
     expect(t is C, isTrue);
     // Note, this is different from JavaScript where this would be false.
     expect(v is C, isTrue);
   }
+
+  static int createdInvocations = 0;
+  static var div;
 }
 
 main() {
   useHtmlConfiguration();
 
   // Adapted from Blink's
   // fast/dom/custom/created-callback test.
 
   var registered = false;
   setUp(() {
@@ skipping 213 matching lines @@
   } catch(e) {
     rethrow;
   } finally {
     js.context['testExpectsGlobalError'] = false;
   }
   var errors = js.context['testSuppressedGlobalErrors'];
   expect(errors['length'], 1);
   // Clear out the errors;
   js.context['testSuppressedGlobalErrors']['length'] = 0;
 }