Refactor List.setRange function.

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 55 matching lines @@
 
   void retainWhere(bool test(T element)) {
     IterableMixinWorkaround.removeWhereList(this,
                                             (T element) => !test(element));
   }
 
   Iterable<T> getRange(int start, int end) {
     return IterableMixinWorkaround.getRangeList(this, start, end);
   }
 
-  void setRange(int start, int length, List<T> from, [int startFrom = 0]) {
-    IterableMixinWorkaround.setRangeList(this, start, length, from, startFrom);
+  void setRange(int start, int end, List<T> from, [int startFrom = 0]) {
+    IterableMixinWorkaround.setRangeList(this, start, end, from, startFrom);
   }
 
   void removeRange(int start, int length) {
     if (length == 0) {
       return;
     }
     Arrays.rangeCheck(this, start, length);
     Arrays.copy(this,
                 start + length,
                 this,
@@ skipping 261 matching lines @@
   }
 
   Set<T> toSet() {
     return new Set<T>.from(this);
   }
 
   Map<int, T> asMap() {
     return IterableMixinWorkaround.asMapList(this);
   }
 }