Introduce a VM-only dart:scalarlist library for byte arrays.

runtime/tests/vm/dart/byte_array_test.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.
+
+#import('dart:scalarlist');
+
 class ByteArrayTest {
   static testInt8List() {
     Expect.throws(() { new Int8List(-1); },
                   (e) { return e is IllegalArgumentException; });
     var array = new Int8List(10);
     Expect.isTrue(array is List<int>);
     Expect.equals(10, array.length);
     Expect.equals(1, array.bytesPerElement());
     Expect.equals(10, array.lengthInBytes());
     Expect.listEquals([0, 0, 0, 0, 0,
@@ skipping 2249 matching lines @@
     testInt64ListView();
     testUint64ListView();
     testFloat32ListView();
     testFloat64ListView();
   }
 }
 
 main() {
   ByteArrayTest.testMain();
 }