Hiding FilteredElementList class and fixing FilteredElementList.length.

sdk/lib/html/src/FilteredElementList.dart

Index: sdk/lib/html/src/FilteredElementList.dart
diff --git a/sdk/lib/html/src/FilteredElementList.dart b/sdk/lib/html/src/FilteredElementList.dart
deleted file mode 100644
index b946588fbedd4287f1242a5f5ba0bcda25c1fbfd..0000000000000000000000000000000000000000
--- a/sdk/lib/html/src/FilteredElementList.dart
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright (c) 2011, 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.
-
-part of html;
-
-class FilteredElementList implements List {
-  final Node _node;
-  final List<Node> _childNodes;
-
-  FilteredElementList(Node node): _childNodes = node.nodes, _node = node;
-
-  // We can't memoize this, since it's possible that children will be messed
-  // with externally to this class.
-  //
-  // TODO(nweiz): Do we really need to copy the list to make the types work out?
-  List<Element> get _filtered =>
-    new List.from(_childNodes.filter((n) => n is Element));
-
-  void forEach(void f(Element element)) {
-    _filtered.forEach(f);
-  }
-
-  void operator []=(int index, Element value) {
-    this[index].replaceWith(value);
-  }
-
-  void set length(int newLength) {
-    final len = this.length;
-    if (newLength >= len) {
-      return;
-    } else if (newLength < 0) {
-      throw new ArgumentError("Invalid list length");
-    }
-
-    removeRange(newLength - 1, len - newLength);
-  }
-
-  void add(Element value) {
-    _childNodes.add(value);
-  }
-
-  void addAll(Collection<Element> collection) {
-    collection.forEach(add);
-  }
-
-  void addLast(Element value) {
-    add(value);
-  }
-
-  bool contains(Element element) {
-    return element is Element && _childNodes.contains(element);
-  }
-
-  void sort([int compare(Element a, Element b)]) {
-    throw new UnsupportedError('TODO(jacobr): should we impl?');
-  }
-
-  void setRange(int start, int rangeLength, List from, [int startFrom = 0]) {
-    throw new UnimplementedError();
-  }
-
-  void removeRange(int start, int rangeLength) {
-    _filtered.getRange(start, rangeLength).forEach((el) => el.remove());
-  }
-
-  void insertRange(int start, int rangeLength, [initialValue = null]) {
-    throw new UnimplementedError();
-  }
-
-  void clear() {
-    // Currently, ElementList#clear clears even non-element nodes, so we follow
-    // that behavior.
-    _childNodes.clear();
-  }
-
-  Element removeLast() {
-    final result = this.last;
-    if (result != null) {
-      result.remove();
-    }
-    return result;
-  }
-
-  Element removeAt(int index) {
-    final result = this[index];
-    result.remove();
-    return result;
-  }
-
-  dynamic reduce(dynamic initialValue,
-      dynamic combine(dynamic previousValue, Element element)) {
-    return Collections.reduce(this, initialValue, combine);
-  }
-  Collection map(f(Element element)) => _filtered.map(f);
-  Collection<Element> filter(bool f(Element element)) => _filtered.filter(f);
-  bool every(bool f(Element element)) => _filtered.every(f);
-  bool some(bool f(Element element)) => _filtered.some(f);
-  bool get isEmpty => _filtered.isEmpty;
-  int get length => _filtered.length;
-  Element operator [](int index) => _filtered[index];
-  Iterator<Element> iterator() => _filtered.iterator();
-  List<Element> getRange(int start, int rangeLength) =>
-    _filtered.getRange(start, rangeLength);
-  int indexOf(Element element, [int start = 0]) =>
-    _filtered.indexOf(element, start);
-
-  int lastIndexOf(Element element, [int start = null]) {
-    if (start == null) start = length - 1;
-    return _filtered.lastIndexOf(element, start);
-  }
-
-  Element get first => _filtered.first;
-
-  Element get last => _filtered.last;
-}