Implement revised factories in the VM.

runtime/lib/growable_array.dart

 // 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.
 
 class GrowableObjectArray<T> implements List<T> {
   ObjectArray<T> backingArray;
 
-  factory GrowableObjectArray<T>._uninstantiable() {
+  factory GrowableObjectArray._uninstantiable() {
     throw const UnsupportedOperationException(
         "GrowableObjectArray can only be allocated by the VM");
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     Arrays.copy(src, srcStart, this, dstStart, count);
   }
 
   void setRange(int start, int length, List<T> from, [int startFrom = 0]) {
     if (length < 0) {
@@ skipping 68 matching lines @@
       : _length = 0, backingArray = new ObjectArray<T>(4) {}
 
   GrowableObjectArray.withCapacity(int capacity) {
     _length = 0;
     if (capacity <= 0) {
       capacity = 4;
     }
     backingArray = new ObjectArray<T>(capacity);
   }
 
-  factory GrowableObjectArray<T>.from(Collection<T> other) {
+  factory GrowableObjectArray.from(Collection<T> other) {
     List<T> result = new GrowableObjectArray<T>();
     result.addAll(other);
     return result;
   }
 
   int get length() {
     return _length;
   }
 
   void set length(int new_length) {
@@ skipping 131 matching lines @@
     if (!hasNext()) {
       throw const NoMoreElementsException();
     }
     return _array[_pos++];
   }
 
   final GrowableObjectArray<T> _array;
   int _pos;
 }