Revert "Implementing polyfills for insertAdjacent* to get them working on FF."

tests/html/element_add_test.dart

-// Copyright (c) 2012, 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('ElementAddTest');
-#import('../../pkg/unittest/unittest.dart');
-#import('../../pkg/unittest/html_config.dart');
-#import('dart:html');
-#source('util.dart');
-
-main() {
-  useHtmlConfiguration();
-
-  void expectNoSuchMethod(void fn()) =>
-    Expect.throws(fn, (e) => e is NoSuchMethodException);
-
-  group('addHTML', () {
-    test('htmlelement', () {
-      // Adding a <tr/> to a table should auto-wrap it into a tbody element.
-      var el = new TableElement();
-      el.addHTML('<tr>test</tr>');
-      expect(el.elements.length, equals(1));
-      var section = el.elements[0];
-      expect(section is TableSectionElement);
-      expect(section.elements.length, equals(1));
-      expect(section.elements[0] is TableRowElement);
-
-      el.addHTML('<tr>test</tr>');
-      expect(el.elements.length, equals(2));
-      // Validate that the first item is still first.
-      expect(el.elements[0] == section);
-      expect(el.elements[1] is TableSectionElement);
-    });
-
-    test('documentFragment', () {
-      var fragment = new DocumentFragment();
-      fragment.addHTML('<span>something</span>');
-      expect(fragment.elements.length, equals(1));
-      expect(fragment.elements[0] is SpanElement);
-    });
-  });
-
-  group('addText', () {
-    test('htmlelement', () {
-      var el = new DivElement();
-      el.addText('foo');
-      // No elements were created.
-      expect(el.elements.length, equals(0));
-      // One text node was added.
-      expect(el.nodes.length, equals(1));
-    });
-
-    test('documentFragment', () {
-      var fragment = new DocumentFragment();
-      fragment.addText('foo');
-      // No elements were created.
-      expect(fragment.elements.length, equals(0));
-      // One text node was added.
-      expect(fragment.nodes.length, equals(1));
-    });
-  });
-
-  group('insertAdjacentElement', () {
-    test('beforebegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      var newChild = new SpanElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentElement('beforebegin', newChild);
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[0] is SpanElement);
-    });
-
-    test('afterend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      var newChild = new SpanElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentElement('afterend', newChild);
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[1] is SpanElement);
-    });
-
-    test('afterbegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      var newChild = new SpanElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentElement('afterbegin', newChild);
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[0] is SpanElement);
-    });
-
-    test('beforeend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      var newChild = new SpanElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentElement('beforeend', newChild);
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[1] is SpanElement);
-    });
-  });
-
-  group('insertAdjacentHTML', () {
-    test('beforebegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentHTML('beforebegin', '<span></span>');
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[0] is SpanElement);
-    });
-
-    test('afterend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentHTML('afterend', '<span></span>');
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[1] is SpanElement);
-    });
-
-    test('afterbegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentHTML('afterbegin', '<span></span>');
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[0] is SpanElement);
-    });
-
-    test('beforeend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentHTML('beforeend', '<span></span>');
-
-      expect(parent.elements.length, 2);
-      expect(parent.elements[1] is SpanElement);
-    });
-  });
-
-  group('insertAdjacentText', () {
-    test('beforebegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentText('beforebegin', 'test');
-
-      expect(parent.nodes.length, 2);
-      expect(parent.nodes[0] is Text);
-    });
-
-    test('afterend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      child.insertAdjacentText('afterend', 'test');
-
-      expect(parent.nodes.length, 2);
-      expect(parent.nodes[1] is Text);
-    });
-
-    test('afterbegin', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentText('afterbegin', 'test');
-
-      expect(parent.nodes.length, 2);
-      expect(parent.nodes[0] is Text);
-    });
-
-    test('beforeend', () {
-      var parent = new DivElement();
-      var child = new DivElement();
-      parent.elements.add(child);
-
-      parent.insertAdjacentText('beforeend', 'test');
-
-      expect(parent.nodes.length, 2);
-      expect(parent.nodes[1] is Text);
-    });
-  });
-}