Fix performance of array literals (e.g. "[1, 2]"). Improves speed of DeltaBlue.

runtime/lib/growable_array.dart

 // Copyright (c) 2012, 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> {
   factory _GrowableObjectArray._uninstantiable() {
     throw new UnsupportedError(
         "GrowableObjectArray can only be allocated by the VM");
   }
 
@@ skipping 56 matching lines @@
     if (length == 0) return [];
     Arrays.rangeCheck(this, start, length);
     List list = new _GrowableObjectArray<T>.withCapacity(length);
     list.length = length;
     Arrays.copy(this, start, list, 0, length);
     return list;
   }
 
   factory _GrowableObjectArray(int length) {
     var data = new _ObjectArray<T>((length == 0) ? 4 : length);
-    var result = new _GrowableObjectArray<T>.fromObjectArray(data);
+    var result = new _GrowableObjectArray<T>.withData(data);
     result._setLength(length);
     return result;
   }
 
   factory _GrowableObjectArray.withCapacity(int capacity) {
     var data = new _ObjectArray<T>((capacity == 0)? 4 : capacity);
-    return new _GrowableObjectArray<T>.fromObjectArray(data);
+    return new _GrowableObjectArray<T>.withData(data);
   }
 
   factory _GrowableObjectArray.from(Collection<T> other) {
     List<T> result = new _GrowableObjectArray<T>();
     result.addAll(other);
     return result;
   }
 
-  factory _GrowableObjectArray.fromObjectArray(_ObjectArray<T> data)
+  factory _GrowableObjectArray.withData(_ObjectArray<T> data)
     native "GrowableObjectArray_allocate";
 
   int get length native "GrowableObjectArray_getLength";
 
   int get _capacity native "GrowableObjectArray_getCapacity";
 
   void set length(int new_length) {
     if (new_length > _capacity) {
       _grow(new_length);
     } else {
@@ skipping 186 matching lines @@
   }
 
   List<T> toList() {
     return new List<T>.from(this);
   }
 
   Set<T> toSet() {
     return new Set<T>.from(this);
   }
 }