Added method map to Collection interface and all its implementations (except classes generated fr...

client/dom/common/implementation.dart

 class ListBase<E> extends DOMType implements List<E> {
   ListBase();
 
   void forEach(void f(E element)) => Collections.forEach(this, f);
+  Collection map(f(E element)) => Collections.map(this, [], f);
   Collection<E> filter(bool f(E element)) => Collections.filter(this, [], f);
   bool every(bool f(E element)) => Collections.every(this, f);
   bool some(bool f(E element)) => Collections.some(this, f);
   bool isEmpty() => Collections.isEmpty(this);
 
   void sort(int compare(E a, E b)) {
     throw 'Unsupported yet';
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
@@ skipping 98 matching lines @@
   }
 
   V remove(K key) {
     throw 'Immutable collection';
   }
 
   Collection<K> getKeys() {
     throw 'Must be implemented';
   }
 }