Change getRange to sublist. Make getRange deprecated.

tests/standalone/io/web_socket_protocol_processor_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:utf";
 import "dart:math";
 import "dart:async";
 import "dart:collection";
 import "dart:scalarlist";
 
@@ skipping 102 matching lines @@
     Expect.isNotNull(mc.data);
     Expect.equals(0, transformer._state);
 
     mc.data = null;
 
     // Only run this part on small messages.
     if (message.length < 1000) {
       // Update the transformer one byte at the time.
       messageCount++;
       for (int i = 0; i < frame.length; i++) {
-        controller.add(frame.getRange(i, 1));
+        controller.add(<int>[frame[i]]);
       }
       Expect.equals(0, transformer._state);
       Expect.isNotNull(mc.data);
       mc.data = null;
 
       // Update the transformer two bytes at the time.
       messageCount++;
       for (int i = 0; i < frame.length; i += 2) {
-        controller.add(frame.getRange(i, i + 1 < frame.length ? 2 : 1));
+        controller.add(frame.sublist(i, min(i + 2, frame.length)));
       }
       Expect.equals(0, transformer._state);
       Expect.isNotNull(mc.data);
     }
     Expect.equals(messageCount, mc.messageCount);
     Expect.equals(0, mc.closeCount);
     print("Messages test, messages $messageCount");
   }
 
   void runTest(int from, int to, int step) {
@@ skipping 79 matching lines @@
   runTest(65534, 65537, 1);
   print("Fragment messages test, messages $messageCount, frames $frameCount");
   Expect.equals(messageCount, mc.messageCount);
   Expect.equals(0, mc.closeCount);
 }
 
 void main() {
   testFullMessages();
   testFragmentedMessages();
 }