Revert revision 33053

third_party/pkg/angular/lib/change_detection/prototype_map.dart

Index: third_party/pkg/angular/lib/change_detection/prototype_map.dart
===================================================================
--- third_party/pkg/angular/lib/change_detection/prototype_map.dart	(revision 33054)
+++ third_party/pkg/angular/lib/change_detection/prototype_map.dart	(working copy)
@@ -1,37 +0,0 @@
-part of angular.watch_group;
-
-class PrototypeMap<K, V> implements Map<K,V> {
-  final Map<K, V> prototype;
-  final Map<K, V> self = new Map();
-
-  PrototypeMap(this.prototype);
-
-  void operator []=(name, value) {
-    self[name] = value;
-  }
-  V operator [](name) => self.containsKey(name) ? self[name] : prototype[name];
-
-  bool get isEmpty => self.isEmpty && prototype.isEmpty;
-  bool get isNotEmpty => self.isNotEmpty || prototype.isNotEmpty;
-  // todo(vbe) include prototype keys ?
-  Iterable<K> get keys => self.keys;
-  // todo(vbe) include prototype values ?
-  Iterable<V> get values => self.values;
-  int get length => self.length;
-
-  void forEach(fn) {
-    // todo(vbe) include prototype ?
-    self.forEach(fn);
-  }
-  V remove(key) => self.remove(key);
-  clear() => self.clear;
-  // todo(vbe) include prototype ?
-  bool containsKey(key) => self.containsKey(key);
-  // todo(vbe) include prototype ?
-  bool containsValue(key) => self.containsValue(key);
-  void addAll(map) {
-    self.addAll(map);
-  }
-  // todo(vbe) include prototype ?
-  V putIfAbsent(key, fn) => self.putIfAbsent(key, fn);
-}