Refactor removeRange.

runtime/lib/typeddata.dart

 // Copyright (c) 2013, 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.
 
 // patch classes for Int8List ..... Float64List and ByteData implementations.
 
 patch class Int8List {
   /* patch */ factory Int8List(int length) {
     return new _Int8Array(length);
   }
@@ skipping 438 matching lines @@
     if (length == 0) throw new StateError("No elements");
     throw new StateError("More than one element");
   }
 
   int min([int compare(int a, int b)]) =>
     IterableMixinWorkaround.min(this, compare);
 
   int max([int compare(int a, int b)]) =>
     IterableMixinWorkaround.max(this, compare);
 
-  void removeRange(int start, int length) {
+  void removeRange(int start, int end) {
     throw new UnsupportedError(
         "Cannot remove from a non-extendable array");
   }
 
   void insertRange(int start, int length, [initialValue]) {
     throw new UnsupportedError(
         "Cannot add to a non-extendable array");
   }
 
   List toList() {
@@ skipping 2616 matching lines @@
     return value;
   }
   return object;
 }
 
 
 void _throwRangeError(int index, int length) {
   String message = "$index must be in the range [0..$length)";
   throw new RangeError(message);
 }