Refactor removeRange.

runtime/lib/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.
 
 
 // TODO(srdjan): Use shared array implementation.
 class _ObjectArray<E> implements List<E> {
 
   factory _ObjectArray(length) native "ObjectArray_allocate";
 
@@ skipping 63 matching lines @@
         otherStart = skipCount;
       } else {
         otherList =
             iterable.skip(skipCount).take(length).toList(growable: false);
         otherStart = 0;
       }
       Arrays.copy(otherList, otherStart, this, start, length);
     }
   }
 
-  void removeRange(int start, int length) {
+  void removeRange(int start, int end) {
     throw new UnsupportedError(
         "Cannot remove range of a non-extendable array");
   }
 
   void insertRange(int start, int length, [E initialValue = null]) {
     throw new UnsupportedError(
         "Cannot insert range in a non-extendable array");
   }
 
 
@@ skipping 211 matching lines @@
   void copyFrom(List src, int srcStart, int dstStart, int count) {
     throw new UnsupportedError(
         "Cannot modify an immutable array");
   }
 
   void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) {
     throw new UnsupportedError(
         "Cannot modify an immutable array");
   }
 
-  void removeRange(int start, int length) {
+  void removeRange(int start, int end) {
     throw new UnsupportedError(
         "Cannot remove range of an immutable array");
   }
 
   void insertRange(int start, int length, [E initialValue = null]) {
     throw new UnsupportedError(
         "Cannot insert range in an immutable array");
   }
 
   List<E> sublist(int start, [int end]) {
@@ skipping 189 matching lines @@
     }
     _position = _length;
     _current = null;
     return false;
   }
 
   E get current {
     return _current;
   }
 }