Revert "Revert "Implement {Int,Uint}{8,16,32,64} and Float{32,64} typed arrays.""

tests/standalone/byte_array_test.dart

 // Copyright (c) 2011, 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.
 //
 // Dart test program for testing native byte arrays.
 
 void testCreateByteArray() {
-  ByteArray byteArray;
+  Uint8List byteArray;
 
-  byteArray = new ByteArray(0);
+  byteArray = new Uint8List(0);
   Expect.equals(0, byteArray.length);
 
-  byteArray = new ByteArray(10);
+  byteArray = new Uint8List(10);
   Expect.equals(10, byteArray.length);
   for (int i = 0; i < 10; i++) {
     Expect.equals(0, byteArray[i]);
   }
 }
 
 void testSetRange() {
-  ByteArray byteArray = new ByteArray(3);
+  Uint8List byteArray = new Uint8List(3);
 
   List<int> list = [10, 11, 12];
   byteArray.setRange(0, 3, list);
   for (int i = 0; i < 3; i++) {
     Expect.equals(10 + i, byteArray[i]);
   }
 
   byteArray[0] = 20;
   byteArray[1] = 21;
   byteArray[2] = 22;
   list.setRange(0, 3, byteArray);
   for (int i = 0; i < 3; i++) {
     Expect.equals(20 + i, list[i]);
   }
 
   byteArray.setRange(1, 2, const [8, 9]);
   Expect.equals(20, byteArray[0]);
   Expect.equals(8, byteArray[1]);
   Expect.equals(9, byteArray[2]);
 }
 
 void testIndexOutOfRange() {
-  ByteArray byteArray = new ByteArray(3);
+  Uint8List byteArray = new Uint8List(3);
   List<int> list = const [0, 1, 2, 3];
 
   Expect.throws(() {
     byteArray.setRange(0, 4, list);
   });
 
   Expect.throws(() {
     byteArray.setRange(3, 1, list);
   });
 }
 
 main() {
   for (int i = 0; i < 2000; i++) {
     testCreateByteArray();
     testSetRange();
     testIndexOutOfRange();
   }
 }