remove old custom_element polyfill

pkg/custom_element/test/custom_element_test.dart

Index: pkg/custom_element/test/custom_element_test.dart
diff --git a/pkg/custom_element/test/custom_element_test.dart b/pkg/custom_element/test/custom_element_test.dart
deleted file mode 100644
index 3094518494192ce1837f94cd628a54a416ae2c55..0000000000000000000000000000000000000000
--- a/pkg/custom_element/test/custom_element_test.dart
+++ /dev/null
@@ -1,101 +0,0 @@
-// 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 custom_element.test.custom_element_test;
-
-import 'dart:async';
-import 'dart:html';
-import 'package:custom_element/custom_element.dart';
-import 'package:unittest/html_config.dart';
-import 'package:unittest/unittest.dart';
-
-main() {
-  useHtmlConfiguration();
-
-  setUp(() {
-    // Load the MutationObserver polyfill if needed.
-    if (!MutationObserver.supported) {
-      var script = new ScriptElement()
-          ..src =  '/packages/mutation_observer/mutation_observer.js';
-      document.head.append(script);
-      return script.onLoad.first;
-    }
-  });
-
-  test('register creates the element and calls lifecycle methods', () {
-    // Add element to the page.
-    var element = new Element.html('<fancy-button>foo bar</fancy-button>',
-        treeSanitizer: new NullTreeSanitizer());
-    document.body.nodes.add(element);
-
-    var xtag = null;
-    registerCustomElement('fancy-button', () => xtag = new FancyButton());
-    expect(xtag, isNotNull, reason: 'FancyButton was created');
-    expect(element.xtag, xtag, reason: 'xtag pointer should be set');
-    expect(xtag.host, element, reason: 'host pointer should be set');
-    expect(xtag.lifecycle, ['created']);
-    return new Future(() {
-      expect(xtag.lifecycle, ['created', 'inserted']);
-      element.remove();
-      // TODO(jmesserly): the extra future here is to give IE9 time to deliver
-      // its event. This seems wrong. We'll probably need some cooperation
-      // between Dart and the polyfill to coordinate the microtask event loop.
-      return new Future(() => new Future(() {
-        expect(xtag.lifecycle, ['created', 'inserted', 'removed']);
-      }));
-    });
-  });
-
-  test('create a component in code', () {
-    var element = createElement('super-button');
-    expect(element.xtag, element, reason: 'element not registered');
-
-    var xtag = null;
-    registerCustomElement('super-button', () => xtag = new FancyButton());
-
-    element = createElement('super-button');
-    expect(xtag, isNotNull, reason: 'FancyButton was created');
-    expect(element.xtag, xtag, reason: 'xtag pointer should be set');
-    expect(xtag.host, element, reason: 'host pointer should be set');
-    expect(xtag.lifecycle, ['created']);
-    return new Future(() {
-      expect(xtag.lifecycle, ['created'], reason: 'not inserted into document');
-
-      document.body.nodes.add(element);
-      return new Future(() {
-        expect(xtag.lifecycle, ['created'],
-            reason: 'mutation observer not implemented yet');
-
-        element.remove();
-        return new Future(() {
-          expect(xtag.lifecycle, ['created'],
-              reason: 'mutation observer not implemented yet');
-        });
-      });
-    });
-  });
-}
-
-class FancyButton extends CustomElement {
-  final lifecycle = [];
-  created() {
-    super.created();
-    lifecycle.add('created');
-  }
-  inserted() {
-    super.inserted();
-    lifecycle.add('inserted');
-  }
-  removed() {
-    super.removed();
-    lifecycle.add('removed');
-  }
-}
-
-/**
- * Sanitizer which does nothing.
- */
-class NullTreeSanitizer implements NodeTreeSanitizer {
-  void sanitizeTree(Node node) {}
-}