Change getRange to sublist. Make getRange deprecated.

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 416 matching lines @@
   }
 
   List toList() {
     return new List.from(this);
   }
 
   Set toSet() {
     return new Set.from(this);
   }
 
-  List getRange(int start, int length) {
+  List sublist(int start, [int end]) {
+    if (end == null) end = length;
+    int length = end - start;
     _rangeCheck(this.length, start, length);
     List result = _createList(length);
     result.setRange(0, length, this, start);
     return result;
   }
 
+  List getRange(int start, int length) {
+    return sublist(start, start + length);
+  }
+
   void setRange(int start, int length, List from, [int startFrom = 0]) {
     IterableMixinWorkaround.setRangeList(this, start, length, from, startFrom);
   }
 
   // Method(s) implementing Object interface.
 
   String toString() {
     return Collections.collectionToString(this);
   }
 }
@@ skipping 1060 matching lines @@
     _setUint16(index * Uint16List.BYTES_PER_ELEMENT, value);
   }
 
   static _ExternalUint16Array _new(int length) native
       "ExternalTypedData_Uint16Array_new";
 }
 
 
 class _ExternalInt32Array extends _TypedList implements Int32List {
   // Factory constructors.
-  
+
   factory _ExternalInt32Array(int length) {
     if (length < 0) {
       String message = "$length must be greater than 0";
       throw new ArgumentError(message);
     }
     return _new(length);
   }
 
 
   // Method(s) implementing the List interface.
@@ skipping 1076 matching lines @@
   }
 }
 
 
 int _defaultIfNull(object, value) {
   if (object == null) {
     return value;
   }
   return object;
 }