Removing redundant collection methods from DOM collections.

tools/dom/src/WrappedList.dart

Index: tools/dom/src/WrappedList.dart
diff --git a/tools/dom/src/WrappedList.dart b/tools/dom/src/WrappedList.dart
index 7a4ec30606cf16db9898494cef2ab3910f052e26..3baff3ee28b81d149e27f699eee63fef5e4e1fdf 100644
--- a/tools/dom/src/WrappedList.dart
+++ b/tools/dom/src/WrappedList.dart
@@ -8,7 +8,7 @@ part of dart.dom.html;
  * A list which just wraps another list, for either intercepting list calls or
  * retyping the list (for example, from List<A> to List<B> where B extends A).
  */
-class _WrappedList<E> implements List<E> {
+class _WrappedList<E> extends ListBase<E> {
   final List _list;
 
   _WrappedList(this._list);
@@ -17,73 +17,14 @@ class _WrappedList<E> implements List<E> {
 
   Iterator<E> get iterator => new _WrappedIterator(_list.iterator);
 
-  Iterable map(f(E element)) => _list.map(f);
-
-  Iterable<E> where(bool f(E element)) => _list.where(f);
-
-  Iterable expand(Iterable f(E element)) => _list.expand(f);
-
-  bool contains(E element) => _list.contains(element);
-
-  void forEach(void f(E element)) { _list.forEach(f); }
-
-  E reduce(E combine(E value, E element)) =>
-      _list.reduce(combine);
-
-  dynamic fold(initialValue, combine(previousValue, E element)) =>
-      _list.fold(initialValue, combine);
-
-  bool every(bool f(E element)) => _list.every(f);
-
-  String join([String separator = ""]) => _list.join(separator);
-
-  bool any(bool f(E element)) => _list.any(f);
-
-  List<E> toList({ bool growable: true }) =>
-      new List.from(_list, growable: growable);
-
-  Set<E> toSet() => _list.toSet();
-
   int get length => _list.length;
 
-  bool get isEmpty => _list.isEmpty;
-
-  Iterable<E> take(int n) => _list.take(n);
-
-  Iterable<E> takeWhile(bool test(E value)) => _list.takeWhile(test);
-
-  Iterable<E> skip(int n) => _list.skip(n);
-
-  Iterable<E> skipWhile(bool test(E value)) => _list.skipWhile(test);
-
-  E get first => _list.first;
-
-  E get last => _list.last;
-
-  E get single => _list.single;
-
-  E firstWhere(bool test(E value), { E orElse() }) =>
-      _list.firstWhere(test, orElse: orElse);
-
-  E lastWhere(bool test(E value), {E orElse()}) =>
-      _list.lastWhere(test, orElse: orElse);
-
-  E singleWhere(bool test(E value)) => _list.singleWhere(test);
-
-  E elementAt(int index) => _list.elementAt(index);
-
   // Collection APIs
 
   void add(E element) { _list.add(element); }
 
-  void addAll(Iterable<E> elements) { _list.addAll(elements); }
-
   void remove(Object element) { _list.remove(element); }
 
-  void removeWhere(bool test(E element)) { _list.removeWhere(test); }
-
-  void retainWhere(bool test(E element)) { _list.retainWhere(test); }
-
   void clear() { _list.clear(); }
 
   // List APIs
@@ -94,8 +35,6 @@ class _WrappedList<E> implements List<E> {
 
   void set length(int newLength) { _list.length = newLength; }
 
-  Iterable<E> get reversed => _list.reversed;
-
   void sort([int compare(E a, E b)]) { _list.sort(compare); }
 
   int indexOf(E element, [int start = 0]) => _list.indexOf(element, start);
@@ -104,20 +43,8 @@ class _WrappedList<E> implements List<E> {
 
   void insert(int index, E element) => _list.insert(index, element);
 
-  void insertAll(int index, Iterable<E> iterable) =>
-      _list.insertAll(index, iterable);
-
-  void setAll(int index, Iterable<E> iterable) =>
-      _list.setAll(index, iterable);
-
   E removeAt(int index) => _list.removeAt(index);
 
-  E removeLast() => _list.removeLast();
-
-  List<E> sublist(int start, [int end]) => _list.sublist(start, end);
-
-  Iterable<E> getRange(int start, int end) => _list.getRange(start, end);
-
   void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) {
     _list.setRange(start, end, iterable, skipCount);
   }
@@ -131,15 +58,6 @@ class _WrappedList<E> implements List<E> {
   void fillRange(int start, int end, [E fillValue]) {
     _list.fillRange(start, end, fillValue);
   }
-
-  Map<int, E> asMap() => _list.asMap();
-
-  String toString() {
-    StringBuffer buffer = new StringBuffer('[');
-    buffer.writeAll(this, ', ');
-    buffer.write(']');
-    return buffer.toString();
-  }
 }
 
 /**